Register
ONE QUICK PHYSICAL SCIENCE QUESTION 1. Why isn’t it possible for an atom to have a mass number of 15 and an atomic number of 18?
159k views
2 votes
ONE QUICK PHYSICAL SCIENCE QUESTION

1. Why isn’t it possible for an atom to have a mass number of 15 and an atomic number of 18?

User Mun
by
6.3k points

1 Answer

2 votes
An atom with an atomic number of 12 has 12 protons. Because the mass number is the sum of the protons and neutrons, the mass number would need to be at least 12. I hope this helped!

User HaveF
by
7.0k points
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

7.2m questions

9.5m answers

Other Questions

Which of the objects is living or nonliving: Bacteria, virus, moss, you, a lemon seed, the air, bread, lettuce and rocks?
Why aren't all minerals gemstones?
What are three important types of forces
How can paleontologists help us understand the past
What is the phenotype of a heterozygous person using T for tall and t for short
Link Copied!