Formative Test on the Structure of an Atom

Which of the following is the subatomic particle that is outside the nucleus of an atom?

• Electron

• Neutron

• Proton

• Any of the 3 options is correct.

Tags

NGSS.MS-PS1-1

Which 2 subatomic particles constitute the nucleus of an atom?

• Electron and neutron

• Electron and proton

• Proton and neutron

• Any of the 3 options is correct.

Tags

NGSS.MS-PS1-1

"Neutron is the neutral subatomic particle of an atom." What does the word 'neutral' mean in this statement?

• Option 1: Neutron has a no charge.

• Option 2: Neutron has zero charge.

• Option 3: Neutron can either be positive or negative

• Any of the 3 options is correct.

Tags

NGSS.MS-PS1-1

Which statement is TRUE about the given atomic model?

• The atom has equal number of protons, electrons, and neutrons.

• The atom is electrically neutral because of its equal number of protons and electrons.

• The atom has a stable nucleus due its equal protons and neutrons.

• The stable atom is carbon-12.

• All options are correct.

Tags

NGSS.MS-PS1-1

Based on the given atomic model, which number below represents the mass of the atom?

• 6

• 12

• 18

• 24

Tags

NGSS.MS-PS1-1

Which part of the atomic model is useful in finding the PERIOD of the atom in the Periodic Table?

• Atomic Number

• Main Energy Levels

• Mass Number

• Nucleus

Tags

NGSS.MS-PS1-1

What would you do to verify the identity of the atom that is shown in the atomic model?

• Count the number of electrons. This is always the atomic number of the atom.

• Count the number of protons. This is always the atomic number of the atom.

• Get the sum of the electrons and the protons. This is always the atomic number of the atom.

• Get the sum of the protons and electrons. This is always the atomic number of the atom.

Tags

NGSS.MS-PS1-1

Based on the given chemical symbol for copper (Cu), which number represents its atomic mass?

• 29

• 35

• 63.55

• 64

Based on the given chemical symbol for copper (Cu), which number represents its atomic number?

• 29

• 35

• 63.55

• 64

Tags

NGSS.MS-PS1-1

Based on the given chemical symbol for copper (Cu), which number represents its number of neutrons?

• 29

• 35

• 63.55

• 64

• Cannot be determined

Tags

NGSS.MS-PS1-1