Question

properties and uses of period 2 and 3​

Answer 1

Answer:

A period 2 element is one of the chemical elements in the second row (or period) of the periodic table of the chemical elements. The periodic table is laid out in rows to illustrate recurring (periodic) trends in the chemical behavior of the elements as their atomic number increases; a new row is started when chemical behavior begins to repeat, creating columns of elements with similar properties.

Answer 2

Answer:

properties and uses of period 2 and 3