Quarterly Test Recap 3/14/24

The _______ is on the outside of an atom.

• Proton

• Neutron

• Electron

The atomic number for oxygen is ______.

• 6

• 8

• 16

An element is __________.

• Large

• 1 kind of atom

• a molecule

Is Iron (Fe) an atom or a molecule?

• Atom

• Molecule

What is the Coefficient?

• 4

• 3

• 1

• 0

How many elements are there: K₂HPO₄

How many atoms are there: C₆H₁₂O₆

• 3

• 6

• 12

• 24

Determine the number of Hydrogen (H) atoms are in the following chemical formula: 3H₂O

• 4

• 3

• 2

• 6

How many Phosphorous atoms are in the molecule?

• 2

• 4

• 1

• 8

How many Oxygen atoms are in the compound?

• 8

• 4

• 16

• 6