Atomic Structure

Atomic Structure

Chemistry ` Structures + Bonding Questions

Chemical Bonding

• When are atoms stable? • Which types of elements react to make covalent bonds? • Draw a ‘dot and cross’ diagram for ammonia

Chemistry • What is ‘native metal’? • Name 5 metals that can be extracted by reduction with carbon? • Name three metals that are too reactive to be extracted using copper • What is the reduction process? • What is the iron compound reduced in blast furnace, what is the fuel, and what percent is iron??

• What are the three main parts of

an atom, where do they go and what is their charge? • What is the Atomic Number?

Ionic Bonding • What bonds hold Ions together in

Ionic Bonding? • What does the formula NaCl tell you about sodium chloride? • What is the structure of calcium fluoride?

Electrons

• What are shells? • What is the pattern for electron shells? • What is the pattern for oxygen?

Covalent Bonds

• What happens to electrons in Covalent Bonds? • How many bonds can a silicon atom form?

Chemistry

Chemistry

• List 4 properties of a metal that can be changed by alloying? • Why can the amounts of elements in an alloy be varied? • Why are some alloys ‘’smart’’?

• How are metal atoms arranged? • What happens to the electrons? • How do the metals stay together?

Chemistry

Chemistry

• Describe how fractional distillation

• Why does crude oil need to be separated? • How do we separate crude oil? • What are Hydrocarbons? • How can we represent molecules?

Chemistry

Chemistry

works? (Include method, chain length and boiling point examples).

• What can be produced in incomplete combustion and where can this take place? • What effects does this have?

• How do fossil fuels cause global warming? • What is global dimming? • How can we reduce the amount of sulphur dioxide released?

Chemistry • What is the general formula for

Alkanes? • What is saturated and unsaturated?