Question

periodic nature and periodic properties of atoms and molecules

Answer 1

Answer:

The periodic table, introduced in Chapter 3 “Atoms, Molecules, and Ions”, lists all the known chemical elements, arranged by atomic number (that is, the number of protons in the nucleus). ... One item on most periodic tables is the atomic mass of each element.

Answer 2

Answer:

atom is a part of molecules while group of atoms is molecule

Explanation:

mark me as brainliest you will get 1000points