21 POINTS IF YOU ANSWER!

Identify the atomic number and atomic mass of the following element



Question 3 options:

Number: 18 mass: 17


Number: 17 mass: 35.453


Number: 17 mass: 18


Number: 35.453 mass: 17

21 POINTS IF YOU ANSWER Identify the atomic number and atomic mass of the following element Question 3 options Number 18 mass 17 Number 17 mass 35453 Number 17 class=