Identity of an Atom

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

• Protons

• Neutrons

• Electrons

• Both Protons & Neutrons

• Protons, Neutrons, and Electrons

Which subatomic particle has a neutral or no charge?

• Protons

• Neutrons

• Electrons

• All of them are neutral

Which subatomic particle determines the identity of the atom?

• Proton

• Neutron

• Electron

• All of them are important for the identity

Which subatomic particle is the smallest by far?

• Protons

• Neutrons

• Electrons

• All are small, but equal in size

What information does the Atomic Number on an element's key give us?

• Total number of protons and neutrons

• Number of electrons only

• Number of neutrons only

• Number of protons only

How many Protons does a sodium atom have?

• 11

• 22.990

• 11.99 or ~12

• 33.990

Tags

NGSS.MS-PS1-1

How many protons does Rubidium have?

• 37

• 84.468

• 47.468 or ~48

• 121.468

Tags

NGSS.MS-PS1-1

How many proton does Potassium have?

• 19

• 39.098

• 58.098

• 20.098 or ~20

Tags

NGSS.HS-PS1-1

What is the basic unit (or smallest piece) of a chemical element?

• Proton

• Neutron

• Electron

• Atom

Tags

NGSS.MS-PS1-1

Which subatomic particle has a positive charge?

• Proton

• Neutron

• Electron

• Nucleus