Atomic structure pretest

Which particle rotates in an cloud around the nucleus?

• Proton

• Neutron

• Electron

• Positron

Which particle determines the atomic number?

• Proton

• Neutron

• Electron

• Quark

Which particle determines the atomic mass?

• Protons and electrons

• Protons and neutrons

• Protons and electrons

• Electrons and neutrons

Which particle has no charge?

• Neutron

• Proton

• Valence electrons

• Electron

How many protons does oxygen have?

• 7

• 8

• 15

• 22

Tags

NGSS.MS-PS1-1

How many neutrons does oxygen have?

• 7

• 8

• 15

• 22

Tags

NGSS.MS-PS1-1

What is my atomic number?

• 4

• 5

• 6

• 9

Tags

NGSS.MS-PS1-1

What is my atomic mass?

• 4

• 5

• 6

• 9

Tags

NGSS.MS-PS1-1

How many valence electrons?

• 4

• 5

• 6

• 9

Tags

NGSS.MS-PS1-1

How many oxygen atoms? 3H₂O

• 1

• 3

• 5

• 6

Tags

NGSS.MS-PS1-1