Periodic Table Group 1 & 2

Alkali metals are good conductors of heat and electricity

• True

• False

Alkali metals are soft and but cannot be cut by a knife

• True

• False

Alkali metals has low density (float on water)

• True

• False

Alkali has relatively high melting and boiling points compared to other metals in the Periodic Table

• True

• False

The alkali metals have 1 valence electron and are the most reactive metals.

• True

• False

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

All alkali metals react violently with water, releasing hydrogen gas and forming hydroxides.

• True

• False

Tags

NGSS.HS-PS1-1

What element when exposed to water creates a lot of fizz around the floating metal?

• lithium

• sodium

• potassium

• rubidium

Tags

NGSS.HS-PS1-2

What element when exposed to water shoots around on the surface of the water?

• lithium

• sodium

• potassium

• rubidium

What element when exposed to water melts and the hydrogen bursts into flame?

• lithium

• sodium

• potassium

• rubidium

What element when exposed to water sparks fly?

• caesium

• sodium

• potassium

• rubidium