1. The building block of an element is
2. A substance that ionizes by gaining an electron is called a .........
3. The symbol of Silver is
4. The atomic number of Fluorine is
5. The following are non-metals except?
6. The scientist that constructed the periodic table was
7. The horizontal rows in a periodic table is called
8. The chemical formula of Carbon (ii) oxide is
9. Carbon is in group.......... in the periodic table
10. The combining power of an element is