Atomic Structure Vocab Review

Match the following

• Neutral

• Electron

• Positive

• Neutron

• Negative

• Proton

Tags

NGSS.MS-PS1-1

What is found in the nucleus of an atom?

• Protons

• Electrons

• Neutrons

Match the following

• Isotope

• Protons = Electrons

• Mass Number

• The number of protons plus neutrons in an atom

• Atomic Number

• The number of protons in an atom

• Atom

• Electrons are gained or lost

• Ion

• The number of neutrons is changed

The average mass of all an element's isotopes

• Mass Number

• Average atomic mass

• Atomic Number

The number of protons and electrons stays the same, but the neutrons change

• Ion

• Isotope

Phosphorus-31

• 15 protons

  15 electrons

  16 neutrons

• 15 protons

  16 electrons

  15 neutrons

• 16 protons

  15 electrons

  15 neutrons

Tags

NGSS.MS-PS1-1

How many protons and electrons are in an ion of K⁺¹?

• 19 protons

  18 electrons

• 19 protons

  20 electrons

• 20 protons

  19 electrons

• 19 protons

  19 electrons

Tags

NGSS.MS-PS1-1

How many protons and electrons are in an ion of S^-2?

• 16 protons

  16 electrons

• 16 protons

  14 electrons

• 16 protons

  18 electrons

• 18 protons

  16 electrons

Tags

NGSS.MS-PS1-1

When a proton is added to an atom what changes?

• Name of the atom

• Mass of the atom

• Ionic Charge

When an electron is removed from an atom what changes?

• Name of the atom

• Mass of the atom

• Ionic Charge

Tags

NGSS.HS-PS1-7