iGCSE Chemistry Revision Quiz

Which particle has a positive charge?

• electron

• orbital

• proton

• neutron

Choose the particle that has no charge.

• nucleus

• neutron

• proton

• electron

This particle determines what element you have - the elements identity.

• electron

• proton

• neutron

• valence shell

What is the mass of a proton and a neutron?

• 1

• 2

• 13

• 10

This causes the mass of the nucleus to increase.

• adding an electron

• adding a neutron

• more orbitals

• adding negatively charged particles

Tags

NGSS.HS-PS1-8

Has a mass of 1/2000th the mass of a proton.

• electron

• neutron

• nucleus

• electron cloud

An electron has a _____ charge.

• negative

• positive

• neutral

What are valence electrons?

• electrons on the first orbital always

• nucleus

• the outermost shell

• electrons on the outermost orbital

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Which particles make up the nucleus of an atom?

• protons and neutrons
• electrons and protons
• electrons, protons, and neutrons
• electrons and neutrons

Tags

NGSS.MS-PS1-1

The particles of the atom you can find by knowing the atomic number.

• neutrons
• protons and electrons
• protons and neutrons
• atomic mass

Tags

NGSS.MS-PS1-1