MODULE 13: Periodic Table and Chemical Bonding

Answer all question.

Periodic Table 11.

1 2 13 14 15 16 17 18

E G

J L M Q

R

T

Periodic Table above shows the position of eight elements which can be represent by the symbol of E, G, J, L, M, Q, R and T. Based on the symbol of this elements, answer the following questions. (a) Give the other name for Group 2. : …………………………………………………..

(b) There are four metals and three non-metals in the periodic table. List these elements. Metal: ………………………………….Non-Metal : …………………………………:

(c) Which of the elements in the periodic table above has the biggest radius?

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(d) (i) Between elements T and J which one is more reactive?

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(ii) Explain why.

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(e) Write an ionic formula formed from elements

(i) R : …………………………… (ii) L : ………………………………….

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Transition Elements

(f) Write an electron arrangement of G atom.

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(g) E can react with Q to produce a compound. (i) What is the type of chemical bond exist in this compound?

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(ii) Draw a diagrammatic electron arrangement in this compound of question (g) (i).

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(h) J reacts with Q to produce a compound. Draw a diagrammatic electron arrangement for this compound.

(i) Write a balance chemical equation that happens with R and molecule Q.

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(j) A reaction of magnesium with chlorine can be represented by a chemical equation below.

2K + Cl2 2KCl

If 3.9 g of potassium is burnt completely in chlorine gas, find the volume of chlorine reacts in this experiment.[Chlorine gas: K, 39; 1 mol of gas occupies 24 dm3 at room temperature]Answer: 1.2 dm3

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