Chem Answers.docx

Chemistry Answers 1. Protons and Neutrons 2. Electrons 3. Protons 4. Neutron 5. Indivisible 6. John Dalton 7. Joseph John Thomson 8. Ernest Rutherford 9. James Chadwick 10. Matter 11. atom 12. Elements or Compounds 13. Element 14. Compound 15. Suspension, Colloids or Solutions 16. Suspension 17. Colloid 18. Solution 19. Metals, Nonmetals or Metalloids 20. Solid, Liquid and Gas 21. Acids and Bases 22. Malleability 23. Luster 24. Metals are neither malleable nor ductile. 25. Metalloids 26. Feel slippery on the skin 27. Dissolve metals producing various salts and hydrogen gas 28. salt 29. Acetic acid 30. Phosphoric acid

31. Hydrochloric acid and sodium hydroxide 32. Chemical change 33. Physical change 34. Chemical reaction 35. homogeneous 36. heterogeneous 37. extensive 38. intensive 39. Surface area 40. Density 41. Law of multiple proportion 42. Law of definite proportion 43. John Dalton 44. Joseph John Thomson 45. Plum-pudding model 46. Henri Becquerel 47. Atomic mass unit (amu) 48. Charge unit 49. -1.60217733 x 10^-19 50. 1 – 51. + 1.60217733 x 10^-19 52. 1 + 53. 9.109387 x 10^28 54. 5.485799 x 10^4 55. 5.485799 x 10^24 56. 1.0072765 57. 1.67495 x 10^24 58. 1.00866 59. quarks

60. the number of protons in the nucleus 61. isotopes 62. Ion 63. protons 64. neutrons 65. ion 66. Anion 67. Cation 68. Atomic number 69. mass number 70. The periodic law 71. Julius Lothar Meyer and DemitriIvanovich Mendeleev 72. Groups or families 73. Periods 74. Alkali metals 75. Alkaline earth metals 76. Group III A 77. Group IV A 78. Group V A 79. Group VI A 80. Group VII A 81. Carbon group 82. Group 0 or VIII A 83. Antimony 84. 8 85. 32 86. 6 87. Beryllium 88. Helium 89. Oxygen 90. Oxygen 91. Carbon 92. Magnesium 93. Sodium hydroxide 94. Potassium perchlorate

Chemistry Answers 95. Beryllium 96. Beryllium 97. Zinc 98. Promethium 99. Neodymium 100. Carbon 101. Nitrogen 102. Oxygen 103. Oxygen 104. Neon 105. Uncertainty principle 106. Werner Karl Heisenberg 107. Autbau principle 108. Pauli exclusion principle 109. Electron configuration of an atom 110. quantum mechanical model 111. Valence shells 112. representatives 113. the rightmost digit of the group number of the element 114. the group number 115. the region of space occupied by its electrons 116. It increases 117. Albert Einstein 118. inversely proportional 119. Electron affinity 120. ion 121. Plasma and Bose-Einstein condensate 122. William Crookes 123. Irving Langmuir

124. Bose-Einstein condensate (BEC) 125. 1995 126. Plasma 127. Liquid 128. 00C 129. 40C 130. Tungsten 131. Ductility 132. Iron and carbon 133. Ionic bond 134. Octet rule 135. Electron dot structure or Lewis structure 136. Covalent bond 137. Bond length 138. Bond distance and bond angle 139. Bond angle 140. valence-shell electron-pair repulsion theory 141. Valence bond theory 142. Electronegativity 143. Ionic 144. 0.50 to 1.90 145. When the centers of positive and negative charge do not coincide 146. Molecular mass 147. Avogadro’s number 148. 6.62 x 10^23 149. Mole 150. Molar mass 152. Dalton’s law of partial pressure 153. 78.1 % 154. 20.9 % 155. 0.03 %

156. Diffusion 157. Effusion 158. Thomas Graham 159. Graham’s law of effusion 160. Carbon monoxide 161. Nitrogen dioxide 162. Intermolecular forces 163. Heat bonding 164. Diderick van der Waals 165. 2 166. Hydrides 167. Hydrogen bond 168. Condensation 169. Freezing 170. Vaporization 171. Sublimation 172. Deposition 173. Melting 174. Molar heat of fusion 175. Molar heat of fusion 176. Molar heat of vaporization 177. Molar heat of condensation 178. volatile 179. Critical temperature 180. Solution 181. Solute 182. Solvent 183. Copper is the solvent. 184. aqueous 185. Ethanol 186. Solvation 187. Solubility 188. saturated 189. unsaturated

Chemistry Answers 190. saturated 191. Seawater 192. alloys 193. volume 194. immiscible 195. miscible 196. It will cause an increase in solubility. 197. It will cause a decrease in solubility. 198. It increases solubility. 199. It slightly affects solubility. 200. Henry’s law 201. Rate of dissolution 202. All of the above 203. Dilute 204. Concentrated 205. Mole fraction 206. Molarity 207. Molality 208. Dilution 209. Boiling 210. Boiling point 211. Freezing point 212. Freezing point depression 213. isotonic 214. hypertonic 215. hypotonic 216. osmosis 217. glue appearance 218. Aerosols 219. Chlorofluorocarbons (CFC) 220. Foams 221. Emulsions 222. Sols 223. Gels 224. emulsions

225. Hydrochloric acid 226. Arrhenius theory 227. Arrhenius acid 228. Arrhenius base 229. 1.8 x 10-16 230. Bronsted-Lowry theory 231. Lewis theory 232. Lewis 233. a proton donor 234. a proton acceptor 235. Coordinate covalent bond 236. Coordinated covalent bond 237. Adduct 238. Binary acids 239. Water 240. Ternary acids 241. Oxyacid 242. H2SO4 243. HNO3 244. Acetic acid 245. Hydrofluoric acid 246. Citric acid 247. Carbonic acid 248. Acetylsalicylic acid 249. Phosphoric acid 250. Nitric acid 251. Sulfuric acid 252. metal and hydroxide ion 253. Lithium hydroxide 254. Magnesium hydroxide 255. Milk of Magnesia 256. pH scale 257. Soren Sorensen

258. The power of the hydrogen ion 259. 7 260. Saliva and milk 261. Calamansi juice 262. They dissociate or ionize completely in water. 263. They don’t dissociate or ionize completely in water. 264. pH 265. pH 266. 7 267. pH 13 268. Indicator 269. Neutralization 270. Titration 271. Equivalence point 272. Salt hydrolysis 273. Buffer 274. Combustion 275. Chemical kinetics 276. Activation energy 277. exothermic 278. endothermic 279. Catalyst 280. Inhibitors 281. Homogeneous and heterogeneous 282. Homogeneous catalyst 283. Heterogeneous catalyst 284. solids 285. All of the above 286. Chemical equilibrium 287. Thermochemistry

Chemistry Answers 288. Equilibrium constant 289. Equilibrium position 290. Reaction quotient 291. Le Chateller’s principle 292. Oxidation 293. oxidation 294. reduction 295. Oxidation number 296. Oxidizing agent 297. Reducing agent 298. Nonredox reaction 299. Voltaic cell 300. Organic chemistry 301. Diamond 302. Graphite 303. Carbon black 304. Charcoal 305. Charcoal 306. Coke 307. Carbon black 308. Conduct electric current 309. All of the above 310. All of the above 311. Functional groups 312. Hydrocarbons 313. Saturated and unsaturated 314. Alkanes 315. Chain 316. Cyclic 317. Benzene 318. Benzene 319. Paraffins 320. Methane 321. Alkene

322. Olefins 323. Ethene 324. Alkyne 325. Acetylene or Ethyne 326. Aromatic hydrocarbon 327. Naphthalene 328. System of Nomenclature 329. Alkyl group 330. Halides 331. Alcohols and Ethers 332. Alcohols 333. Amines and Amides 334. Ethers 335. Dimethyl ether 336. Organic matter is generally stable at very high temperatures 337. Electrolyte 338. The substance is heated together with copper oxide and the resulting gases are found to have no effect on limestone 339. Sodium 340. Lithium 341. Cohesion 342. Covalent 343. Compound 344. The molecules collide more frequently and the activation energy is less 345. Specific Gravity 346. Atomic number 347. Hydrometer 348. One electron

349. Secondary cell 350. The different rate is the mathematical expression that shows how the rate of a reaction depends on volume 351. Acid 352. Strength of the acid 353. Atomic number 354. Sulfuric acid 355. A nucleus containing a neutron and a proton 356. Cobalt 357. N2O5 358. The mass of an electron is heavier than that of a proton 359. Isomers 360. Ester 361. Lactic acid 362. Tartaric acid 363. Lauric acid 364. Space-lattice 365. Unit cell 366. Dislocation 367. Electron 368. Reduction 369. At the anode 370. At the cathode 371. The relative abundance of the isotope 372. Hydrolysis 373. Plutonium 374. Mixed uniformly when soluble in one another 375. Do not mix by diffusion

Chemistry Answers 376. Aliphatic hydrocarbon 377. Alcohol 378. Additional reaction 379. Activation energy 380. 49.5 381. 18 % 382. Accuracy 383. Precision 384. Silver metal 385. Yellowish gas 386. White crystal 387. Max Planck 388. Quantum energy level 389. J.J Thompson 390. Amalgram 391. Animo acid 392. Anti-bonding molecular orbital 393. Bonding molecular orbital 394. Complex ion 395. Cyanides 396. Non-polar molecule 397. Non-electrolyte 398. Structural formula 399. Spectator ions 400. Polymer 401. 3.71 x 10^-4 g/cm3 402. 3.85 moles 403. 3.84 x 10^24 atoms 404. 7.59 x 10^-3 g 405. 1.16 x 10^-14 moles 406. 3.29 x 10^3 g 407. 1.21 x 10^-22 g/Ge atom

408. 3.89 x 10^22 Zn atoms 409. 8.63 x 10^21 C2H6 molecules 410. 2.32 x 10^26 atoms 411. 1.78 x 10^23 molecules 412. C2H3NO5 413. 32.042 amu 414. 1.76 CHCl3 moles 415. 2.54 x 1024 C atoms 416. 65.25 % 417. 228 g 418. B2H6 419. 0.52 M 420. 48.7 mL 421. 94.07 % 422. 16.75 L 423. 31.1 L 424. 0.94 atm 425. 1.99 x 103 mm Hg 426. 6.67 atm 427. 11.92 g/L 428. 42.84 g/mol 429. B2H6 430. 327 m/s 431. 0.464 M 432. 0.03 atm 433. – 922.75 kJ/mol 434. C4H5N2O 435. 177.32 g 436. 1.25 x 10^22 molecules 437. 7.57 g 438. 51 g/mol 439. 733 mm Hg 440. 1440 g 441. mass spectrometer 442. hydrates

443. replacement reactions 444. decomposition 445. 760 mm Hg 446. Smelting 447. mass 448. hydrometer 449. The law of conservation of mass 450. Ionic Bond 451. Covalent Bond 452. Neutral 453. period 454. hydrocarbons 455. viscosity 456. oxidant 457. the law of conservation of mass 458. The law of multiple proportion 459. specific gravity 460. 2 461. Kelvin 462. the law of constant composition 463. 19 amu 464. atomic number 465. mass 466. accuracy 467. precision 468. density 469. quarks 470. The law of definite proportion 471. 7300 times 472. isotopes 473. chemical bond 474. ion 475. cation 476. anion 477. ionic bonding 478. period 479. group 480. is doubled

Chemistry Answers 481. electron dot diagram 482. representative or main group 483. 6 484. isoelectronic 485. Group 1 486. Group 7 501. palytoxin carboxylic acid (from Hawaiian coral) 502. aluminum 503. an acid mixture that dissolves gold 504. lead shot 505. Li2CO3 506. 4 507. astatine 508. copper 509. it is yellowgreen 510. carbon monoxide 511. luminous intensity 512. a mixture of sulfuric acid and hydrogen peroxide 513. a model that minimizes both error and effort 514. 1 to 3 kg 515. zirconium 516. a mixture of HF, BaSO4, and fluorides for etching glass 517. André-Louis Debierne 518. van der Waals forces 519. Au 520. basic copper carbonate 521. chlorine

522. Cs 523. U. S. gold coins 524. arsenic trichloride 525. Ag 526. nuclei with a full shell of protons and a full shell of neutrons 527. neodymium and praseodymium 528. A 22 femtogram graphite speck 529. strontium 530. purine 531. americium 532. explosiveness 533. burning iron particles 534. an intense allergic reaction to an otherwise harmless organic compound 535. SiO2 536. more molecules are present in sunspots 537. O2F2 538. copper 539. chemiluminescent chemical reactions 540. an apparatus for distilling water 541. potassium sulfide 542. Aflatoxtin 543. francium 544. 1atom 545. fluorine 546. 20 547. has so many extra neutrons that additional ones won’t bind to it

548. silver 549. argon 550. A soft drink can 551. technetium 552. nitroglycerin 553. It was the 606th and first successful compound in the search for a syphilis treatment. 554. hydrogen 555. an oscillating charged particle 556. decreases to 10/11 its original value 557. increases by 10 percent 558. the wavelength on the wire can take on only certain values 559. shifts its color towards the red end of the spectrum 560. limits the number of electrons that can occupy an orbital to 2. 561. diffraction 562. n = 6 to n = 4 563. an electron moving at1000 m/s 564. d orbitals are less penetrating than sand p orbitals in the same shell. 565. n = 6, l = 0 566. 8 567. The second ionization energy of K 568. electron configuration

Chemistry Answers 569. the charge on the nucleus experienced by an electron when the shielding effect of other electrons is accounted for 570. a tentative explanation for a natural phenomenon 571. Bacteria in the oysters may have caused the illness. 572. Higher altitude means lower boiling points for water, all other things held equal. 573. an experimental observation 574. a law 575. a description of a pattern or relationship in experimental data 576. a compound of C, H, and O 577. a compound 578. heterogeneous mixture 579. a compound 580. heterogeneous mixture 581. When a certain soft metal is burned in oxygen, lime is produced (with no other products). 582. temperature 583. total mg of caffeine 584. chemical or physical changes

occur when the property is measured 585. density 586. a physical, intensive property 587. dietary calories 588. volume 589. calories per serving 590. radius 591. why mass is conserved in chemical reactions 592. 14 times the mass of a hydrogen atom 593. atoms of a single element can have different masses 594. 16 times the mass of a hydrogen atom 595. a rearrangement of atoms 596. simple whole number ratios (more than one possible) 597. the weights of their atoms 598. hydrogen 599. 32 600. 9.6 x 10^18 601. -31˚F 602. 2.27 603. million 604. ash 605. the two samples are certainly different pure substances 606. water 607. rusting of iron

608. its composition can vary 609. a compound 610. crystallization of sugar from sugar can juice 611. silver 612. separation of the molecules in a mixture 613. nuclear fusion 614. a sword 615. Gay-Lussac’s Law 616. high temperature and low pressure 617. Boyle’s Law 618. He 619. An energy transfer due to temperature difference 620. no change in temperature 621. the enthalpy of reactants is lower than the enthalpy of products. 622. melting of ice 623. when the gas expands adiabatically 624. De Broglie 625. Schrodinger 626. gaining electrons to form ionic compounds 627. the vapor pressure of the solvent to decrease 628. the number of products formed 629. they may become new

Chemistry Answers substances after the reaction 630. it exists between a liquid and its vapor in a closed system at uniform temperature 631. a proton donor 632. they always contain OH ions 633. carbon 634. 1.25 635. 11.19 636. P = 82. N = 124 637. 84.6 638. 1.5 M 639. 130.08 {(10atm)(10)(32)/(0 .0821)(300K)} 640. 6.86 x 10-9 641. 1.66 x 10-24 642. 49 643. covalent bond 644. electrolyte 645. salt 646. protons and neutrons 647. Sodium 648. electron 649. Lithium 650. group VIIA 651. Chlorine 652. normality 653. cohesion 654. element 655. Covalent 656. Solid to gaseous phase 657. Alkenes 658. A conductor 659. metalloids 660. Lanthanons 661. Ionic bonding 662. electrolysis

663. A compound 664. alkalinity 665. galvanic cell 666. 8 667. neutron 668. hydrogen 669. Between 0 and 7 670. Specific gravity 671. catalyst 672. actinons 673. molarity 674. coulomb 675. atomic number 676. Transition metals 677. hydrometer 678. Groups 679. Anion 680. One electron 681. Metalloids 682. Ion 683. atom 684. acid 685. Valence electrons 686. cation 687. Atomic Number 688. 1.5 M 689. 130.08 {(10atm)(10)(32)/(0 .0821)(300K)} 690. 6.86 x 10-9 691. Sulfuric acid 692. Mole 693. red 694. electrolyte 695. salt 696. protons and neutrons 697. Sodium 698. electron 699. Lithium 700. group VIIA