Atoms and The Periodic Table

What particles are shown in the nucleus marked "A"?

• electrons

• atoms

• protons

• neutrons

• protons and neutrons

Tags

NGSS.MS-PS1-1

Which of the following is NOT a subatomic particle?

• proton

• nucleus

• neutron

• electron

Which statement shows the correct charge for each subatomic particle?

• proton (-)

  neutron (=)

  electron (+)

• proton (-)

  electron (-)

  neutron (+)

• proton (=)

  neutron (+)

  electron (-)

• proton (+)

  neutron (=)

  electron (-)

Which 2 subatomic particles are similar in mass?

• protons and electrons

• protons and neutrons

• electrons and neutrons

• none of the masses are similar

How much of a typical atom is made of empty space?

• over 99%

• 50%

• less than 99%

• 10%

Where do electrons reside in an atom?

• in the center/nucleus

• in an electron cloud around the nucleus

• they are clustered together

• they make up the whole atom

According to the diagram, how many electrons can fit in the 1st and 2nd electron shell (ring) of the atom?

• 8 ; 2

• 2 ; 10

• 2 ; 8

• 8 ; 10

Tags

NGSS.MS-PS1-1

According to the electron arrangement, what atom is shown here?

• Helium

• Boron

• Hydrogen

• Beryllium

Tags

NGSS.MS-PS1-1

An element sit between cobalt and copper, what is the element?

• zinc

• manganese

• nikel

• iron

What period would you expect to find an element with the atomic mass between 20 and 30?

• period 1

• period 2

• period 3

• period 4