Chemistry terms

Front

What is the mass number defined as?

Back

The mass number is the number of protons and neutrons in an atom.

Front

What is the term for the amount of space an object occupies?

Back

Volume.

Front

Which scientist's model is referred to as the Planetary model?

Back

Niels Bohr.

Front

What does weight measure?

Back

Weight measures the force of gravity on an object.

Front

Which scientist proposed that electrons orbit the nucleus on fixed paths?

Back

Niels Bohr.

Front

What is the definition of matter?

Back

Matter is anything that has mass and takes up space.

Front

What is the difference between mass and weight?

Back

Mass is the amount of matter in an object, while weight is the force of gravity acting on that mass.

Front

What is an atom?

Back

An atom is the smallest unit of an element that retains the properties of that element.

Front

What are protons?

Back

Protons are positively charged particles found in the nucleus of an atom.

Front

What are neutrons?

Back

Neutrons are neutral particles found in the nucleus of an atom.