Quiz about Chemical Reactions Review

Question 1

How many protons are in an atom of Manganese?

Accepted Answer

25

Answer

12

Answer

30

Answer

55

Question 2

How many neutrons are in an atom of Aluminum?

Accepted Answer

14

Answer

27

Answer

13

Answer

23

Question 3

How many TOTAL electrons are in a stable atom of Sulfur

Accepted Answer

16

Answer

32

Answer

6

Answer

17

Question 4

Which of the following atoms would form a +2 ion

Accepted Answer

Magnesium

Answer

Oxygen

Answer

Lithium

Answer

Chlorine

Question 5

What charge would the phosphide ion have?

Accepted Answer

-3

Answer

+2

Answer

+3

Answer

-5

Question 6

Choose the correct formula for sodium sulfide

Accepted Answer

$$Na_2S$$

Answer

NaS

Answer

$$NaS_2$$

Answer

$$Na_6S$$

Question 7

Choose the correct formula for calcium nitride

Accepted Answer

$$Ca_3N_2$$

Answer

$$Ca_2N_3$$

Answer

$$Ca_5N_2$$

Answer

$$Ca_2N_5$$

Question 8

What is the name of $$Li_2O$$

Accepted Answer

lithium oxide

Answer

dilithium monoxide

Answer

lithium oxygen

Answer

lithium hydroxide

Question 9

Choose the formula for dinitrogen pentoxide

Accepted Answer

$$N_2O_5$$

Answer

$$N_3O_5$$

Answer

$$N_5O_7$$

Answer

$$N_2O_7$$

Question 10

Choose the formula for sulfur tetrachloride

Accepted Answer

$$SCl_4$$

Answer

$$S_2Cl_5$$

Answer

$$SCl_6$$

Answer

$$S_3Cl_4$$

Question 11

What is the name of $$C_3H_8$$

Accepted Answer

tricarbon octahydride

Answer

carbon hydroxide

Answer

dicarbon hexahydride

Answer

tricarbon heptahrdroxide

Question 12

What is the name of $$K_3PO_4$$

Accepted Answer

potassium phosphate

Answer

potassium phosphide

Answer

potassium polonide

Answer

krypton phosphate

Question 13

What is the name for a positive ion?

Accepted Answer

cation

Answer

anion

Answer

pawsitron

Answer

megatron

Question 14

What is the name for a negative ion?

Accepted Answer

anion

Answer

cation

Answer

negatron

Answer

optimus

Question 15

What is the life goal of all atoms?

Accepted Answer

to obtain a full outer shell of electrons

Answer

to get married and have atom babies

Answer

to get a good job

Answer

to become a compound

Question 16

How many VALENCE electrons does a silicon atom have?

Accepted Answer

4

Answer

14

Answer

28

Answer

8

Question 17

How many VALENCE electrons does a calcium atom have?

Accepted Answer

2

Answer

20

Answer

40

Answer

6

Question 18

A ________ is a group of two or more atoms (same or different) joined together chemically that cannot be physically separated.

Accepted Answer

molecule

Answer

compound

Answer

element

Answer

reaction

Question 19

Two or more different elements chemically bonded together

Accepted Answer

compound

Answer

element

Answer

reaction

Answer

molecule

Question 20

Which of the following is NOT a compound?

Accepted Answer

$$N_2$$

Answer

$$H_2O$$

Answer

$$CO_2$$

Answer

$$NaCl$$

Question 21

What type of reaction is in the image?

Accepted Answer

single replacement

Answer

double replacement

Answer

combustion

Answer

synthesis

Question 22

What type of reaction is in the image?

Accepted Answer

double replacement

Answer

single replacement

Answer

combustion

Answer

synthesis

Question 23

What type of reaction is in the image?

Accepted Answer

decomposition

Answer

single replacement

Answer

combustion

Answer

triple replacement

Question 24

What type of reaction is in the image?

Accepted Answer

synthesis

Answer

decomposition

Answer

single replacement

Answer

combustion

Question 25

What type of reaction is in the image?

Accepted Answer

combustion

Answer

decomposition

Answer

single replacement

Answer

synthesis

Question 26

A __________ is an attraction between atoms or ions that enables the formation of molecules

Accepted Answer

Chemical bond

Answer

Chemical reaction

Answer

Reactant

Answer

Product

Question 27

An _________ number indicates the charge on the atom (or ion) when electrons are lost, gained, or shared in chemical bonds

Accepted Answer

oxidation

Answer

ion

Answer

electron

Answer

reaction

Question 28

A ________ is a bonded set of atoms that behave as a single unit and has a net charge

Accepted Answer

polyatomic ion

Answer

anion

Answer

cation

Answer

product

Question 29

A __________ consists of the mutual sharing of one or more pairs of electrons between two atoms.

Accepted Answer

covalent bond

Answer

polyatomic ion

Answer

ionic bond

Answer

reaction

Question 30

An ________ forms when one atom gives one or more electrons to another and they are attracted to each other through electrostatic forces

Accepted Answer

ionic bond

Answer

covalent bond

Answer

isotope

Answer

reaction

Question 31

A ____________ is a process that occurs when two or more molecules interact to form a new products

Accepted Answer

chemical reaction

Answer

combustion

Answer

synthesis

Answer

reactant

Question 32

A substance that enters into and is altered in the course of a chemical reaction.

Accepted Answer

Reactant

Answer

Compound

Answer

Product

Answer

Ingredient

Question 33

A substance that is formed as the result of a chemical reaction

Accepted Answer

Product

Answer

Compound

Answer

Reactant

Answer

Ingredient

Question 34

Which of the following is evidence that a chemical reaction has taken place?

Accepted Answer

All options are correct

Answer

Change in odor

Answer

Production of a gas

Answer

Temperature change

Question 35

States that energy cannot be created or destroyed.

Accepted Answer

Law of conservation of energy

Answer

Reaction energy

Answer

Law of conservation of mass

Answer

Law of conservation of matter

Question 36

This type of reaction takes more energy to break the bonds in the reactants than is released by the formation of the products - absorbs energy

Accepted Answer

Endothermic

Answer

Combustion

Answer

Synthesis

Answer

Exothermic

Question 37

This type of reaction takes less energy to break bonds in the reactants than is released when new bonds form in the products: releases energy

Accepted Answer

Exothermic

Answer

Combustion

Answer

Synthesis

Answer

Endothermic

Question 38

Burning a candle is an example of what type of reaction?

Accepted Answer

Exothermic

Answer

Synthesis

Answer

Double replacement

Answer

Endothermic

Question 39

Sweating takes heat away from a person's body and makes them cooler. What type of reaction is this?

Accepted Answer

Endothermic

Answer

Exothermic

Answer

Synthesis

Answer

Double replacement

Question 40

What type of reaction is shown in the graph?

Accepted Answer

Endothermic

Answer

Synthesis

Answer

Combustions

Answer

Exothermic

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