Ionic And Covalent Bond

SenSna/chem/Bond

Ionic and Covalent bond 1 The table 3 shows melting point, boiling point and electrical conductivity of substance P, Q, R, and T

(a) Which of the substances is a metal ? …………………………………………………………………………………………………………….

(b) (i) state the type of particle in substance P ? ………………………………………………………………………………………………………………..

(ii) Explain why substance P cannot conduct electricity in solid but can conduct electricity molten state. ................................................................................................................................................................. ................................................................................................................................................................. (c) (i) What is the physical state of R and T at room temperature ?

R : ............................................ T : ...................................... (ii) Draw the arrangement of particles in substance T at room temperature . 2. Diagram 6 shows shows the chemical symbols which represent elements R, S and T.

(a) (i) Write the electron arrangement of atom T ………………………………………………………………………………………………………………

(ii) State the period and the group for element T in the Periodic Table. …………………………………………………………………………….................................................

(b) Atoms of R and S can react to form a compound. (i) Name the type of bond in the compound formed between atoms R and S. ………………………………………………………………………………………………

(ii) State one physical property of the compound formed in b(i) ………………………………………………………………………………………………..

(c) (i) Atom of R and T can also react to form compound. Draw the electron arrangement for the compound formed.

(ii) Name the force that exist between particles in the compound formed . .......................................................................................................................................................

(iii) The melting point of the compound formed is 801OC and its boiling points is 1413 OC. What is the state of matter for this compound at 1000 OC. ……............................................................................................................................................

(d) Arrange R, S and T according to the increase the atomic size ………………………………………………………………………………………………………………