Question

OBJECTIVE TYPE QUESTIONS


Atomic Structure
Q.I FIII in the blanks with the correct words from the brackets.

1. A molecule of an element is
ſwater /chlorine/ ammonia]

2. A radical with one atom of sulphur & three atoms of oxygen is
[bisulphite/sulphate/sulphite)

3. An element with variable valency is
(sodium/copper/calcium]

4. The formula of aluminium sulphate is
(AISO/Al2(SO3)3/A12(SO4)21.
5 The element lithium in the Modern Periodic Table with valency 1* belongs to the
[2/1]
​

Answer 1

Answer:

1-copper

2 sulphite

4 AIAISO 3 calcium