Chemistry-Atomic Structure

Front

What particle determines the identity of an element?

Back

Proton

Front

What is the mass number of an atom with 10 protons and 15 neutrons?

Back

25

Front

Which subatomic particle has no charge?

Back

Neutron

Front

Which subatomic particle has a negative charge?

Back

Electron

Front

What is the region of the atom where electrons can be found?

Back

Electron cloud

Front

What is the charge of a proton?

Back

Positive charge

Front

What is the charge of an electron?

Back

Negative charge

Front

What is the charge of a neutron?

Back

No charge (neutral)

Front

What is the nucleus of an atom?

Back

The central part of an atom containing protons and neutrons.

Front

How many electrons are in a neutral atom with 10 protons?

Back

10 electrons