Earth Chemistry Review

Mass is the amount of what in an object

• Density
• Space
• Matter

What are the 3 particles that make-up the atom?

• protons, neutrons, and isotopes
• neutrons, isotopes, and electrons
• positives, negatives, and electrons
• protons, neutrons, and electrons

_____________ - no definite shape; no definite volume

• plasma
• gas
• liquid
• solid

Substance that cannot be broken down into simpler substances

• Element
• Atom
• Matter
• Particle

Smallest part of an element that has all the properties of that element.

• Element
• Atom
• Matter
• Particle

Which of the following could be the chemical formula for a compound?

• Na

• CO2

• H2 + O2

• Au

Which of the following could be the chemical formula for an element?

• Si₂

• H₂O

• C + O₂

• C₆H₁₂O6

The nucleus of an atom contains which of the following subatomic particles?

• Electrons

• Protons

• Neutrons

How many atom of Carbon are in C₉H₈O₄

• 1

• 8

• 12

• 9

How many elements are in 6NaOH ?

• 4

• 6

• 3

• 1