Question

1. The elements on the Periodic Table are arranged in order of increasing

A) boiling point B) electronegativity C) atomic number D) atomic mass​

Answer 1

Atomic number

Step-by-step explanation:

In the modern periodic table, the elements are listed in order of increasing atomic number. The atomic number is the number of protons in the nucleus of an atom.

Answer 2

Atomic number

Step-by-step explanation: