Question

(f) iodine
(g) neon
4. (i) What do you understand by the term symbol of an element?
(ii) (a) Write the names and symbols of two elements, which are represented by the first lettere
English name
(b) Write the names and symbols of two elements, which are represented by the two letters of
English name.
(c) Write the names and symbols of two elements, which are represented by the two letters of
Latin name in English alphabet.
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(d) Name two elements which exist in the liquid state at room temperature.​

Answer 1

Answer:

hydrogen - H

Potassium- K

sodium and mercury

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Answer 2

1. Symbol of an element represents one atom of the element .
2. A) Hydrogen - H
Oxygen - O
B) Magnesium - Mg
Aluminium - Al
C) Sodium - Na
Iron - Fe
D) Mercury , Bromine