Molecular Structure

What is a diatomic molecule?

• A single atom by itself.

• A molecule made of two atoms that are the same.

• Diatomic molecules do not exist.

Tags

NGSS.MS-PS1-1

True or False

There are both nonmetal gases and nonmetal solids.

• True

• False

Nonmetal gasses have

• low attraction between particles

• high potential energy

• high kinetic energy

• All of the above

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-5

True or False

Nonmetal gasses have a high boiling point and conduct electricity very well.

• True

• False

Tags

NGSS.MS-PS2-3

True or False

Nonmetal solids have extended structures because atoms of the same type bond together to form it.

• True

• False

Tags

NGSS.MS-PS1-1

Metals are mostly ______ at room temperature.

• Solid

• Liquid

• Gas

When you hit a metal with a hammer, and it bends but does not break, this means that the substance is _______

• soft

• stretchy

• malleable

• brittle

True or False

Metals are good conductors of heat and electricity.

• True

• False

Tags

NGSS.MS-PS3-3

NGSS.MS-PS3-4

Sample A is shiny and can be hammered into a sheet. Sample B is dull and brittle. Which element is a nonmetal solid?

• Sample A

• Sample B

Metalloids have properties of

• metals

• nonmetals

• both metals and nonmetals