18.1-18.2 Flashcard Review

Front

What is the atomic number?

Back

the number of protons

Front

mass number defined as?

Back

the number of protons and neutrons

Front

What is the atomic number of this atom? Options: 1, 3, 4, 7

Back

3

Front

What is the mass number of this atom? Options: 1, 3, 4, 7

Back

7

Front

What is the atomic number of Nickel?

Back

28

Front

An element has the mass number 12 and atomic number 6. The number of neutrons in it is:

Back

6

Front

Atoms of the same element which have a different number of neutrons are called _________________.

Back

isotopes

Front

Which subatomic particle has a negative charge in the atom?

Back

electron

Front

How many neutrons does an atom of the isotope Neon-22 have?

Back

12

Front

If an atom has 10 electrons, how many protons does it have?

Back

10