Which part of an atom is POSITIVELY charged?

• protons
• neutrons
• electrons
• atoms

Particles in an atom that are neutral and have no charge are 

• negatrons 
• electrons 
• neutrons 
• protons 

In a solid, the molecules are - 

• close together
• moving around
• moving fast

What is an element?

• A pure substance that cannot be broken down.

• Two atoms bonded together.

• Two or more different types of atoms bonded together.

• An molecule with an unequal distribution of charge.

What are atoms composed of?

• Protons and electrons.

• Protons, neutrons, and electrons.

• Neutrons and electrons.

• Ions, elements, and compounds.

How many atoms of Hydrogen are in this compound?

• 1

• 2

• 3

• 4

What is the atomic mass of "F"

• 9
• 18
• 17
• 19

Which number here is the atomic number?

• 5

• 10.811

Two or more atoms chemically bonded together are called a

• atom
• element
• molecule
• mixture

H₂O is a compound molecule.

• TRUE

• FALSE