Composition of the Atom

What is the atomic number?

• the number of protons
• the number of protons and neutrons
• the number of neutrons
• the number of protons and electrons

What is the atomic number of this atom?

• 4
• 5
• 9
• none of the above

Tags

NGSS.MS-PS1-1

What is the atomic number of this atom?

• 9
• 10
• 19
• 27

Tags

NGSS.MS-PS1-1

What is the atomic number of this atom?

• 2
• 4
• 6
• none of the above

Tags

NGSS.MS-PS1-1

Which particle has a positive charge?

• electron
• orbital
• proton
• neutron

What is the mass number defined as?

• the number of protons
• the number of protons and neutrons
• the number of neutrons
• the number of protons and electrons

What is the mass number of this atom?

• 1

• 3

• 4

• 7

Tags

NGSS.MS-PS1-1

Which subatomic particle has a negative charge in the atom?

• proton

• neutron

• electron

• quark

Tags

NGSS.MS-PS1-1

Subatomic particles that are neutral in charge

• Neutrons
• Protons
• Nucleus 
• Electrons

A charged atom

• Ion
• Isotope
• Electron Cloud
• Quark

Tags

NGSS.HS-PS1-3

NGSS.HS-PS2-4