Atoms, Periodic Table, and Molecules

Which subatomic particle has a positive charge?

• Proton

• neutron

• Electron

• Nucleus

Which subatomic particle has a negative charge?

• Proton

• Neutron

• Electron

• Nucleus

Which subatomic particle has a neutral (0) charge?

• Proton

• Neutron

• Electron

• Atom

Which TWO of the following subatomic particles are inside the nucleus?

• Protons and Electrons

• Electrons and Neutrons

• Protons and Neutrons

• There are no subatomic particles in the nucleus of an atom.

Atomic Number is

• Number of protons or electrons

• Number of protons and neutrons

• Number of Neutrons

• Number of Electrons and Neutrons

Tags

NGSS.MS-PS1-1

What is the number above the symbol called?

• Atomic Weight

• Atomic Number

• Neutron

• Nucleus

Tags

NGSS.MS-PS1-1

What does the K stand for in the Potassium block?

• Atomic Weight

• Atomic Number

• Symbol for the Atom

What does the 40.08 stand for in the Calcium block?

• Atomic Number

• Atomic Weight/Mass

• Atomic Symbol

If an element has an atomic number of 11 and a mass number of 23, how many neutrons does it have?

• 11

• 12

• 23

• 34

Tags

NGSS.MS-PS1-1

If an atom has 10 electrons, how many protons does it have?

• 0

• 1

• 10

• 5

Tags

NGSS.MS-PS1-1