Atoms and Periodic Tables Pre-Assessment

Which group of lists best summarizes the subatomic particles and their electrical charge?

• proton, negative

  neutron, positive

  electron, no charge

• proton, positive

  neutron, no charge

  electron, negative

• proton, positive

  neutron, negative

  electron, no charge

• proton, no charge

  neutron, positive

  electron, negative

Which statement best describes the relationship between masses of subatomic particles?

• proton equals electron

• proton is greater than electron

• proton is greater than neutron

• neutron is less than electron

Which letter represents the protons?

• Q

• R

• S

• T

Tags

NGSS.MS-PS1-1

Which letter represents the neutrons?

• Q

• R

• S

• T

Tags

NGSS.MS-PS1-1

Which letter represents the nucleus?

• Q

• R

• S

• T

Tags

NGSS.MS-LS1-2

What is the name of the element represented in the model?

• Beryllium

• Boron

• Oxygen

• Fluorine

Tags

NGSS.MS-PS1-1

An atom of an element contains 20 protons. What is the identity of the element?

• Argon

• Calcium

• Neon

• Potassium

Tags

NGSS.MS-PS1-1

Which of the following elements contains the greatest amount of protons?

• Chlorine

• Hydrogen

• Oxygen

• Sulfur

Which of the following below lists the correct number of protons, neutrons, and electrons for an atom of phosphorus?

• protons 15

  neutrons 15

  electrons 15

• protons 15

  neutrons 16

  electrons 15

• protons 15

  neutrons 16

  electrons 16

• protons 16

  neutrons 15

  electrons 15

Tags

NGSS.MS-PS1-1

What atom is represented by 35 protons, 45 neutrons, and 35 electrons?

• Mercury

• Bromine

• Rhodium

• Ytterbium

Tags

NGSS.MS-PS1-1