What is the name of this group?

• alkali metals

• alkaline earth metals

• transition metals

• halogens

• noble gases

Tags

NGSS.HS-PS1-1

What is the name of this group?

• alkali metals

• alkaline earth metals

• transition metals

• halogens

• noble gases

Tags

NGSS.HS-PS1-1

How many valence electrons does this group have?

• 1

• 2

• 7

• 8

Tags

NGSS.HS-PS1-1

What charge do ions of this group have?

• +1

• +2

• -2

• -1

• 0

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

What is the charge of this group?

• +1

• +2

• -2

• -1

• 0

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Which element has an atomic radius that is LARGER than sodium?

• Lithium (Li)

• Hydrogen (H)

• Magnesium (Mg)

• Potassium (K)

Tags

NGSS.HS-PS1-1

Which element has an atomic radius that is SMALLER than boron?

• beryllium (Be)

• aluminum (Al)

• carbon (C)

• Gallium (Ga)

Tags

NGSS.HS-PS1-1

When oxygen becomes an ion, does it get larger or smaller?

• larger

• smaller

• depends on which isotope of oxygen it is

• oxygen forms several ions so it's impossible to tell

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

The ionic radius of metals is

• larger than the metal atom

• smaller than the metal atom

• the same size as the metal atom

• trick question, metals don't form ions

Tags

NGSS.HS-PS1-1

The ionic radius of noble gases is

• larger than the atom

• smaller than the atom

• the same size as the atom

• trick question, noble gases don't form ions