Question

01 Fill in the blanks with the correct words from the brackets,
1. A molecule of an element is
[water / chlorinel ammonial.
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/AL (504)/AL (50)
5. The element lithium in the Modern Periodic Table with valency 1" belongs to the group
12/11​

Answer 1

Answer:

ss

math and english

Answer 2

Answer:

1 chlorine

2 sulphide

3 copper

4 Al2(SO4)3

5 1