Lesson 1 Flashcard Review

Front

Neutrons have a ____________ charge.

Back

Neutral, or no charge

Front

What would be the charge of an atom with 8 electrons and 8 protons?

Back

Neutral

Front

Scientists use the atomic scale to measure ____________.

Back

size of atoms.

Front

What would be the charge of an atom with 5 protons and 2 electrons?

Back

Positive

Front

Which charge does a proton have?

Back

Positive

Front

What is the charge of an electron?

Back

Negative

Front

What is the basic unit of matter?

Back

Atom

Front

What particles are found in the nucleus of an atom?

Back

Protons and neutrons.

Front

What is the overall charge of an atom with equal protons and electrons?

Back

Neutral

Front

What is the mass of a proton compared to an electron?

Back

Protons are much heavier than electrons.