Quiz about Unit 1B Review

Question 1

The force of attraction that holds two or more atoms together

Accepted Answer

Chemical Bond

Answer

Reactants

Answer

Law of Conservation of Mass

Answer

Compound

Question 2

Shows what happens during a chemical reaction

Accepted Answer

Chemical Equation

Answer

Letters

Answer

Reactants

Answer

Element

Question 3

The name of the arrow in a chemical equation

Accepted Answer

Yield

Answer

Reactants

Answer

Chemical Bond

Answer

Chemical Symbol

Question 4

Matter is neither created nor destroyed in a chemical reaction

Accepted Answer

Law of Conservation of Mass

Answer

Reactants

Answer

Products

Answer

Mass of Products

Question 5

O is a(n)

Accepted Answer

Example of an Element

Answer

Product

Answer

Chemical Formula

Answer

Mass of Products

Question 6

Two or more different elements chemically bonded together

Accepted Answer

Compound

Answer

Example of an Element

Answer

Yield

Answer

Subscript

Question 7

The smaller number next to an element in a chemical formula

Accepted Answer

Subscript

Answer

Letters

Answer

Coefficient

Answer

Products

Question 8

Contains the chemical symbols of all known elements

Accepted Answer

Periodic Table

Answer

Yield

Answer

Chemical Bond

Answer

Chemical Symbol

Question 9

The large number on the left of a chemical formula

Accepted Answer

Coefficient

Answer

Subscript

Answer

Law of Conservation of Mass

Answer

Reactant

Question 10

Uses both numbers and chemical symbols to show what happens in a chemical reaction

Accepted Answer

Chemical Equation

Answer

Law of Conservation of Mass

Answer

Products

Answer

Reactants

Question 11

The mass of the reactants is equal to the ........ in a closed system

Accepted Answer

mass of the products

Answer

Law of Conservation of Mass

Answer

elements

Answer

yield

Question 12

The number of atoms of each element is represented by

Accepted Answer

subscripts

Answer

coefficient

Answer

Law of Conservation of Mass

Answer

reactants

Question 13

Identifies the number and types of atoms in a molecule

Accepted Answer

chemical formula

Answer

chemical symbol

Answer

coefficient

Answer

product

Question 14

Single, unique atom

Accepted Answer

Element

Answer

Compound

Answer

Yield

Answer

Subscript

Question 15

How many capital letters do elements have?

Accepted Answer

1

Answer

more than 1

Question 16

Elements in a compound are represented by

Accepted Answer

letters

Answer

reactants

Answer

numbers

Answer

chemical bond

Question 17

The new substances formed in a chemical reaction (right side of the equation)

Accepted Answer

Products

Answer

Reactants

Question 18

The substances before a chemical reactions (left side of the equation)

Accepted Answer

Reactants

Answer

Products

Question 19

NaCl is a(n)

Accepted Answer

Compound

Answer

Coefficient

Answer

Element

Answer

Chemical Equation

Question 20

The abbreviations for elements, also called

Accepted Answer

chemical symbols

Answer

products

Answer

coefficient

Answer

subscript

Question 21

How many total Oxygen (O) atoms are there on the reactant side of this equation?

Accepted Answer

7

Answer

1

Answer

4

Answer

5

Question 22

Does this equation support the Law of Conservation of Mass?

Accepted Answer

Yes

Answer

No

Answer

Maybe

Answer

Partially

Question 23

This reaction takes place in a closed system. What is true about the mass of the reactants and the products?

Accepted Answer

The mass of the Nitrogen and Hydrogen atoms in the reactants is equal to the mass of the molecules in the product

Answer

The mass of the Nitrogen atoms decreases in the reactants and increases in the product

Answer

The mass of the Nitrogen atoms in the reactants is greater than the mass of the Nitrogen in the products

Answer

The Nitrogen atoms will go away

Question 24

What does the Law of Conservation of Mass mean?

Accepted Answer

The total mass of a chemical reaction system does not change

Answer

The mass in a chemical reaction is converted into energy

Answer

There is more reactant mass than product mass

Answer

There is more product mass than reactant mass

Question 25

What elements are found in the following chemical equation?

Accepted Answer

Copper, Chlorine, Aluminum

Answer

Carbon, Chlorine, Aluminum

Answer

Copper, Carbon, Aluminum

Answer

Copper, Chlorine, Arsenic

Question 26

What is the missing mass for the following chemical equation?

Accepted Answer

136

Answer

204

Answer

272

Answer

97

Question 27

How many total Copper (Cu) atoms are on the product side of this equation?

Accepted Answer

3

Answer

6

Answer

2

Answer

1

Question 28

How many total Hydrogen (H) atoms are there on the reactant side of this equation?

Accepted Answer

6

Answer

2

Answer

3

Answer

12

Question 29

How many total Chlorine (Cl) atoms are on the reactant side of this equation?

Accepted Answer

6

Answer

3

Answer

2

Answer

1

Unit 1B Review

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