Review

Review

Atom

This atom has 4 parts to it. A is representing the cloud, the area that the electrons are found.
B. Is the nucleus (which is where we get our atomic mass from)
C and D represent the protons (+) and neutrons (no charge)

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Multiple Choice

Label B. Which part of the atom does B represent?

• proton

• electron

• valence

• nucleus

• neutron

Atoms or even bigger molecules are going to behave depending on the state of matter. Solids they will move the slowest and gasses the fastest.

Multiple Choice

Atoms or molecules move least rapidly in a ...

• plasma

• solid

• liquid

• gas

This is water. There are 3 water molecules in the image. You must be able to label the water and it's bonds.

Multiple Choice

A water molecule is made up of??

• 1 oxygen and 2 hydrogens

• 2 oxygens and 1 hydrogen

• 1 oxygen and 2 heliums

Hydrogen bonds hold 1 water molecule to the next water molecule.

What are charged atoms called?

Strongest Bonds

Covalent>Ionic>Hydrogen>Van der Waals