Assessment 1

This particle of an atom is responsible for its identity

• Proton

• Neutron

• Electron

This amount of particle in an atom is the same as the atomic number

• Proton

• Neutron

• Electron

What particles of an atom added together equals the mass of an atom?

• Protons and neutrons

• Neutrons and electrons

• Electrons and protons

• Protons, neutrons and electrons

What are located in the nucleus?

• Protons and neutrons

• Neutrons and electrons

• Electrons and protons

• Protons, neutrons and electrons

An atom has 5 protons and 3 neutrons. What element is it?

• Atomic number 3 Lithium

• Atomic number 5 Boron

• Atomic number 8 Oxygen

• Not enough information

Tags

NGSS.MS-PS1-1

2 or more elements chemically bonded together

• Compound

• Mixture

• Element

Tags

NGSS.MS-PS1-1

2 or more substances not chemically bonded together

• Compound

• Mixture

• Element

What type of substance is Copper (Cu)?

• Compound

• Mixture

• Element

What type of substance is Water H₂O?

• Compound

• Mixture

• Element

Tags

NGSS.MS-PS1-1

What type of substance is Steel?

• Compound

• Mixture

• Element