8.5A Review Atomic Structure

What is atomic number?

• Number of protons in an atoms 
• Number of neutrons in an atom
• Mass of an atom
• Charge on an atom

Which subatomic particles are found in the nucleus of an atom?

• Protons and Electrons
• Protons and Neutrons
• Neutrons and Electrons
• Protons, Neutrons and Electrons

Tags

NGSS.MS-PS1-1

What electrical charge does a proton have?

• +1
• 0
• -1
• +2

What mass does a neutron have?

• 1
• 0
• -1
• +2

Tags

NGSS.HS-PS1-8

Complete the missing label on the diagram.

• Neutron
• Centre
• Nucleus
• Sub atomic particle

Tags

NGSS.MS-PS1-1

Atoms of the same element must always have the same number of _________

• electrons
• neutrons
• isotopes
• protons

Tags

NGSS.HS-PS1-7

Referring to the table, what is the relative mass of a proton?

• 10
• 1
• 0.1
• 0.01

Which particle is negatively charged?

• proton
• atom
• neutron
• electron

Referring to the table, what is the relative mass of an electron?

• 5
• 1
• 0.5
• 0.0005

If an atom contains exactly three protons, then it's an atom of _____

• lithium
• gold
• nitrogen
• carbon

Tags

NGSS.MS-PS1-1