7th chemistry

How many Elements are in the compound C₂H₈O ?

• 2
• 1
• 3
• 0

How many total atoms are in the compound C₂H₈O ?

• 11
• 2
• 8
• 1

How many atoms of Hydrogen are in this compound

• 1
• 2
• 3
• 4

A subscript is the small number below a(n) ________ that tells the number of _______ of that element.

• element symbol; atoms
• atom; element symbol
• subscript; protons
• compound; elements

The law that states the total amount of matter cannot be created nor destroyed?

• law of electricity

• law of destruction of mass

• Law of conservation of matter

• law of relative matter

How many Magnesium are in 10MgCl₂?

• 10
• 5
• 20

How many atoms of Oxygen are in this compound?

• 1
• 2
• 3
• 4

A short easy way to show a chemical reaction

• chemical notation

• chemical equation

• chemical reaction

• chemical chart

These are the compounds you have at the beginning of the reaction

• products

• reactants

What is the right part of a chemical equation called...
2H_{2 +} O₂ --> 2H₂O

• Reactants
• Products 
• Yields 
• Chemical Equation