Question

Give one word for the following :-
1) The systematic arrangement of elements in a tabular form.
2) The first scientist who used symbols to represent elements.
3) Element present in haemoglobin which gives red colour to blood.
4) Element present in chlorophyll which gives green colour to leaves.
5) Most abundant metal on the earth.
6) Most abundant non-metal on the earth.
7) Most abundant metalloid on the earth.
8) Elements which show zero valency.
9) Symbolic representation of a molecule.​

Answer 1

Answer:

2) Thomas Thomson

4) Magnesium

6) Oxygen

8) helium

9) chemical formula