Quiz about untitled

Question 1

Which two compounds are Ionic bonds?

Accepted Answer

rust(Fe2O3) and salt(NaCl)

Answer

water(H20) and rust(Fe2O3)

Answer

water(H2O) and carbon dioxide(CO2)

Answer

oxygen gas(O2) and nitrogen gas(N2)

Question 2

This picture represents which of the following?

Accepted Answer

element

Answer

compound

Answer

mixture

Answer

atom

Question 3

This picture represents which of the following?

Accepted Answer

compound

Answer

element

Answer

mixture

Answer

atom

Question 4

Covalent bonds are between...

Accepted Answer

Non-metal and Non-metal

Answer

Metal and Non-metal

Answer

Metal and Metal

Answer

Metalloids

Question 5

Ionic bonds are between...

Accepted Answer

Metal and Non-metal

Answer

Non-metal and Non-metal

Answer

Metal and Metal

Answer

Metalloids

Question 6

How are ionic bonds formed?

Accepted Answer

Transfer of electrons

Answer

Sharing of electrons

Question 7

What type of bond is this?

Accepted Answer

ionic

Answer

covalent

Question 8

Which model represents a compound?

Accepted Answer

Model 3

Answer

Model 1

Answer

Model 2

Answer

Model 4

Question 9

Which model represents an element?

Accepted Answer

Model 4

Answer

Model 1

Answer

Model 2

Answer

Model 3

Question 10

What type of substance is being modeled here?

Accepted Answer

Compound

Answer

Element

Answer

Homogeneous Mixture

Answer

Heterogeneous Mixture

Question 11

Which indicates a physical change?

Accepted Answer

change in state (solid, liquid and gas)

Answer

formation of a precipitate

Answer

release of heat

Answer

formation of a new substance

Question 12

Which is an example of a chemical change?

Accepted Answer

burning wood

Answer

boiling water

Answer

freezing water

Answer

chopping wood

Question 13

Which is an example of a physical change?

Accepted Answer

cutting paper

Answer

burning paper

Answer

baking a cake

Answer

a bicycle rusting in the rain

Question 14

Sodium and Bromine will make a _____ bond

Accepted Answer

Ionic

Answer

Hydrogen

Answer

Covalent

Answer

Exploding

Question 15

Hydrogen and Chlorine will from a ____ bond

Accepted Answer

Covalent

Answer

Unique

Answer

bestie

Answer

Ionic

Question 16

In ionic bonds, metals tend to?

Accepted Answer

Lose valence electrons

Answer

Keep their electrons

Answer

Gain valence electrons

Answer

None of these answers are correct

Question 17

How many Hydrogen are in 4H₂O?

Accepted Answer

8

Answer

6

Answer

2

Answer

4

Question 18

How many Magnesium are in 10MgCl₂?

Accepted Answer

10

Answer

5

Answer

20

Question 19

2H₂ + O₂ ----> 2H₂O What is the product?

Accepted Answer

2H2O

Answer

------>

Answer

2H₂+ O₂

Question 20

Why is the following chemical equation not balanced?
H_{2 +}O₂--> H₂O

Accepted Answer

each side of the equation has a different number of oxygen atoms

Answer

each side of the equation has a different number of hydrogen atoms

Answer

each side has the same mass

Question 21

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

Accepted Answer

Reactants

Answer

Products

Answer

Yields

Answer

Chemical Equation

Question 22

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

Accepted Answer

Products

Answer

Reactants

Answer

Yields

Answer

Chemical Equation

untitled

23 questions

Which two compounds are Ionic bonds?

This picture represents which of the following?

This picture represents which of the following?

Covalent bonds are between...

Ionic bonds are between...

How are ionic bonds formed?

What type of bond is this?

Which model represents a compound?

Which model represents an element?

What type of substance is being modeled here?

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