Atoms and the Periodic Table

Rows on the periodic table are called...

• groups

• periods

• families

• shells

Columns on the periodic table are called...

• periods

• groups or families

• valence

• energy levels

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

The groups on the periodic table correspond to the number of ________ in an atom.

• valence electrons

• energy levels

• protons

• neutrons

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Rows on the periodic table correspond to the number of ________ in an atom.

• neutrons

• protons

• electrons

• energy levels

How many valence electrons does a nitrogen atom have?

• 3

• 7

• 5

• 1

Tags

NGSS.HS-PS1-1

Which element has 2 valence electrons?

• H

• Ca

• Na

• C

Tags

NGSS.HS-PS1-1

Which element has 3 energy levels with electrons?

• Al

• C

• K

• I

Tags

NGSS.HS-PS1-1

Which element has 4 valence electrons and 2 energy levels with electrons.

• Calcium

• Nitrogen

• Carbon

• Copper

Tags

NGSS.HS-PS1-1

Which group has elements with a full valence shell?

• Group 1

• Group 2

• Group 15

• Group 18

Tags

NGSS.HS-PS1-1

How is the periodic table organized? (check all that are true)

• Increasing by atomic number

• By the number or energy levels in an atom

• By the number of valence electrons in an atom

• By the number of neutrons

Tags

NGSS.HS-PS1-1