Atomic Structure

Front

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

Back

An electron has a mass of 1/200th the mass of a proton.

Front

What is the atomic number of an element with a mass number of 10 and 6 protons?

Back

The atomic number is 6.

Front

Which subatomic particle has no charge?

Back

The neutron has no charge.

Front

What is an Electron Cloud?

Back

An Electron Cloud is the region where electrons are located around the nucleus of an atom.

Front

Which particle determines the identity of an element?

Back

The proton determines the identity of an element.

Front

What is the charge of a proton?

Back

A proton has a positive charge.

Front

What is the charge of a neutron?

Back

A neutron has no charge.

Front

What is the charge of an electron?

Back

An electron has a negative charge.

Front

How do you calculate the number of neutrons in an atom?

Back

Subtract the atomic number from the mass number.

Front

What is the nucleus of an atom composed of?

Back

The nucleus is composed of protons and neutrons.