135k views
5 votes
30 POINTS

The chart below shows the atomic numbers and mass numbers for two elements. Element 2 has a greater atomic number and mass number that element 1.

Element 1

Atomic number 26
Mass number 56

Element 2

Atomic number 31
Mass number 70

How many more neutrons does element 2 have than element 1?

5
14
9
39

2 Answers

3 votes

Answer:

9

Step-by-step explanation:

i took the hmh test

User Zomblake
by
5.8k points
6 votes
the answer is 9 because to find the amount of neutrons you have to take away the atomic number from the mass
User Tobias Cudnik
by
5.3k points