Atomic Structure Basics

Which sub-atomic particle is OUTSIDE the nucleus of the atom?

• Electron

• Neutron

• Proton

• Nucleus

Tags

NGSS.MS-PS1-1

Which sub-atomic particle is the smallest?

• Electron

• Neutron

• Proton

• Nucleus

Tags

NGSS.MS-PS1-1

What two particles make up the ATOMIC MASS of an element?

• Protons and Neutrons

• Protons and Electrons

• Electrons and Nucleus

• Electrons and Neutrons

Tags

NGSS.MS-PS1-1

What is the atomic number of the atom pictured? 

• 9

• 10

• 18

• 19

Tags

NGSS.MS-PS1-1

What is the mass number of an atom?

• Total number of electrons

• Total number of protons

• Total number of protons + total number of neutrons

• Total number of isotopes

What is the total number of subatomic particles in an atom?

• 3

• 4

• 5

• 6

What charge is a proton?

• Positive

• Negative

• Neutral

• Positive or Negative

Which sub-atomic particle is the largest?

• Electron

• Neutron

• Proton

• Protons and Neutrons are equal

Tags

NGSS.MS-PS1-1

An atom has 10 protons, 15 neutrons and 10 electrons what is its mass number.

• 20

• 10

• 5

• 25

Tags

NGSS.MS-PS1-1

What is the nucleus?

• The center (middle) of the atom

• The outside electron cloud

• The area inside the electron charge

• The positive or negative charge of the atom 

Tags

NGSS.MS-PS1-1