Atomic Structure

Front

What is the mass of a proton?

Back

1 amu

Front

What is the mass of a neutron?

Back

1 amu

Front

What is an atom?

Back

Matter that cannot be broken down into a simpler substance – building blocks of life.

Front

What are the maximum number of electrons in the first three energy levels?

Back

2, 8, 8

Front

What is the mass of an electron?

Back

0.001 amu

Front

What is the mass number of an atom with 13 protons and 15 neutrons?

Back

28

Front

What subatomic particle has a positive charge?

Back

Proton

Front

What subatomic particle has no charge?

Back

Neutron

Front

What subatomic particle has a negative charge?

Back

Electron

Front

What is the nucleus of an atom?

Back

The central part of an atom, containing protons and neutrons.