Flashcard on Atomic Structure Advanced

Front

What is the definition of an element based on?

Back

Atomic number

Front

What is the sum of protons and neutrons in carbon-12?

Back

12

Front

What is the charge of an electron?

Back

Negative

Front

How many neutrons are in an atom of nitrogen-15?

Back

8

Front

What surrounds the nucleus in the modern model of an atom?

Back

Cloud of electrons

Front

What is the atomic number of an element?

Back

The number of protons in the nucleus of an atom.

Front

What is the mass number of an atom?

Back

The total number of protons and neutrons in the nucleus.

Front

What particles are found in the nucleus of an atom?

Back

Protons and neutrons.

Front

What is the charge of a proton?

Back

Positive

Front

What is the charge of a neutron?

Back

Neutral