Question

20
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of All of these.
4. TICK() THE CORRECT CHOICE AMONGST THE FOLLOWING :
Questions
1. Sub-atomic particles of atoms are :
(a) Protons
(b) Electrons (c) Neutrons
2 Na is a symbol of :
(a Nitrogen (6) Nickel os
Sodium
3. Symbol of potassium is :
(b)P
(c) Pu
4. Latin name of iron is:
(a) Natrium
(c) Aurum
5. The valency of aluminium is :
(a) + 1
(b) + 2
6. Which of the following are liquid elements ?
(C) Rb
(d) Neon.
(a PD
WK
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Ferrum
(d) Stannum
83
(d) None of these.
(a) Ga
(0) B12
(d) Fr.
B. WRITE TRUE OF FALSE FOR EACH STATEMENT. REWRITE THE FALSE STATEMENTS​

Answer 1

Explanation:

1.all three r the sub atomic particles of an atom

2.sodium

3.there is no option over here, the answer is k

4.there is no ans in the options ,the ans is ferrum

5.there is no ans in the options ,ans is +3

6.rb( rubidium)

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