20. An atom has a mass of 50 and 20 protons. How many neutrons does it have? Answer:

asked Oct 10, 2020 200k views

3 votes

20. An atom has a mass of 50 and 20 protons. How many
neutrons does it have?
Answer:

5.4k points

Please log in or register to add a comment.

7 votes

Answer:

Step-by-step explanation:

The mass number (A) is the sum of the numbers of protons and neutrons .

A = p + n

If p = 20,

n = A - p = 50 - 20 = 30

Ohgodwhy answered Oct 15, 2020

4.7k points

Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

5.7m questions

7.4m answers