WorksheetsInvestigation 9 Quiz Review
Total questions: 14
Worksheet time: 7mins
What holds atoms together?
Bonds
Protons
Nothing
Gravity
True or False: Atoms are not matter
True
False
True or False: Atoms are in the spaces between matter
True
False
True or False: Atoms make up all matter
True
False
When we reacted HCl with the CaCO3 in Limestone, what gas was produced?
CO2
CO
H2O
H2O2
If a reaction takes place in a sealed container, what happens to the mass of the chemical reaction?
The mass increases after the reaction
The mass decreases after the reaction
The mass remains the same after the chemical reaction
No way to tell
Why did the limewater bubble and react after we did the HCl and Sodium Bicarbonate reaction?
A new gas was produced by the HCl and Sodium bicarbonate
A new gas was produced by the limewater
A new gas was produced by the HCl mixing with the limewater
No new was was produced, Limewater bubbles by itself
How many elements are present in the compound pictured?
5
3
4
2
How many atoms are present in the compound pictured?
5
3
4
2
How many elements are present in the compound pictured?
20
3
4
2
How many atoms are present in the compound pictured?
5
3
4
2
When a chemical reaction occurs, what happens to the atoms of the reactants?
New atoms are created and form the products
The atoms are destroyed and new ones are created to form the products
The atoms of the reactants remain unchanged and new atoms make the products
The atoms of the reactants break apart and rearrange to form the products
Does the diagram show that no atoms are created or destroyed in a chemical equation?
Yes
No
Which of the following represents a chemical reaction?
