TH 12-12: Flashcard on Atomic Structure

Front

Where are protons located in an atom?

Back

Protons are located in the nucleus of an atom.

Front

What are the subatomic particles that make up an atom?

Back

The subatomic particles that make up an atom are protons, neutrons, and electrons.

Front

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

Back

The mass of an electron is 1/1850 of the mass of a proton.

Front

Where are electrons located in an atom?

Back

Electrons are located in the electron shells surrounding the nucleus.

Front

Which element does not have at least one neutron in its nucleus?

Back

Hydrogen is the element that does not have at least one neutron in its nucleus.

Front

What is an atom?

Back

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

Front

What is the nucleus of an atom?

Back

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

Front

What are neutrons?

Back

Neutrons are subatomic particles found in the nucleus of an atom that have no charge.

Front

What is the charge of a proton?

Back

A proton has a positive charge.

Front

What is the charge of an electron?

Back

An electron has a negative charge.