Question

ANSWER ALL THE 5 QUESTIONS ​

Answer 1

Explanation:

1. The periodic table of elements arranges all of the known chemical elements in an informative array. Elements are arranged from left to right and top to bottom in order of increasing atomic number. Order generally coincides with increasing atomic mass. The rows are called periods.

2. Each block is named after its characteristic orbital: s-block, p-block, d-block, and f-block.

3. Metalloids are present near the zig zag line of the modern periodic table. They have properties intermediate between those of metals and non metals. Examples: Silicon, Germanium etc.