Quiz about Bonding and Chemical Reactions

Question 1

Covalent compounds

Accepted Answer

Share electrons

Answer

transfer electrons

Answer

contain a sea of electrons

Answer

conduct electricity

Question 2

What happens when the sodium atom loses an electron?

Accepted Answer

It become positively charged

Answer

It become negatively charged

Answer

none

Question 3

What two types of atoms make a covalent bond?

Accepted Answer

2 Nonmetals

Answer

1 Nonmetal and 1 Metal

Answer

2 Metals

Answer

2 Noble Gases

Question 4

What charges attract?

Accepted Answer

Opposite

Answer

Same

Question 5

What elements generally make an ionic bond?

Accepted Answer

metal and nonmetal

Answer

2 or more nonmetals

Answer

metal

Answer

none of the above

Question 6

What elements generally make a covalent bond?

Accepted Answer

2 or more nonmetals

Answer

metal and nonmetal

Answer

metal

Answer

none of the above

Question 7

Predict the bond that will form between Be and F.

Accepted Answer

Ionic

Answer

Covalent

Question 8

Predict the bond that will form between Sr and S.

Accepted Answer

Ionic

Answer

Covalent

Question 9

What is a valence electron?

Accepted Answer

an electron that is found in the outermost shell of an atom.

Answer

an electron found in the innermost shell of an atom.

Answer

an electron found in the middle shell.

Question 10

What is the number of valence electrons for Oxygen?

Accepted Answer

6

Answer

8

Answer

2

Answer

1

Question 11

What is the number of valence electrons for Beryillum?

Accepted Answer

2

Answer

1

Answer

4

Answer

7

Question 12

What group would Ca like to join with

Accepted Answer

6

Answer

5

Answer

7

Answer

8

Question 13

If an atom loses two electrons what charge will it have?

Accepted Answer

+ 2

Answer

- 2

Answer

+1

Answer

-1

Question 14

If an atom loses two electrons what charge will it have?

Accepted Answer

+ 2

Answer

- 2

Answer

+1

Answer

-1

Question 15

Electrons are lost, gained, or shared to create chemical bonds.

Accepted Answer

True

Answer

False

Question 16

What is the smallest part of an element?

Accepted Answer

atom

Answer

compound

Answer

element

Answer

molecule

Question 17

Are the atoms more stable when they are bonded together or when they are apart?

Accepted Answer

Bonded Together

Answer

Apart

Question 18

Which type of bond has a transfer of an electron from on atom to another?

Accepted Answer

Ionic

Answer

Polar Covalent

Answer

Non Polar Covalent

Answer

Metallic

Question 19

Which type of element is likely to lose electrons?

Accepted Answer

metal

Answer

nonmetal

Answer

metalloid

Answer

anion

Question 20

Which of the following has a full valence (outer) shell?

Accepted Answer

Neon

Answer

Oxygen

Answer

Barium

Answer

Carbon

Question 21

CO2

Accepted Answer

covalent

Answer

Ionic

Answer

polyatomic

Question 22

SIO2

Accepted Answer

covalent

Answer

ionic

Answer

polyatomic

Question 23

An ionic bond forms when atoms ___________ electrons.

Accepted Answer

transfer

Answer

gain

Answer

share

Answer

increase

Question 24

What is a chemical reaction?

Accepted Answer

all of the choices

Answer

a process of bonding substances together

Answer

a process that leads to filled valence shells

Answer

a process that releases or consumes energy

Question 25

What is a chemical equation?

Accepted Answer

a shorthand representation of a chemical reaction

Answer

a diatomic molecule

Answer

a shorthand representation of a chemical bond

Answer

a substance

Question 26

What are substances on the left side of a chemical equation called?

Accepted Answer

reactants

Answer

electrons

Answer

groups

Answer

products

Question 27

What are substances on the right side of a chemical equation called?

Accepted Answer

products

Answer

electrons

Answer

groups

Answer

reactants

Question 28

What does the number in front of the molecular symbol mean?

Accepted Answer

It shows the number of molecules in the reaction

Answer

It shows that there is only one molecule present in a reaction

Answer

It shows the number of reactions that took place

Answer

All of the choices

Question 29

Can the subscripts in a chemical reaction be changed?

Accepted Answer

No, they define the molecules in the reaction

Answer

Cannot be determined

Answer

Maybe, depending on the energy released

Answer

Yes, to balance the equation

Question 30

When this equation (C₃H₈ + O₂ -> CO₂ + H₂O ) is balanced, the coefficient in front of carbon dioxide is:

Accepted Answer

3

Answer

1

Answer

12

Answer

6

Question 31

the central region of an atom where its neutrons and protons are is its

Accepted Answer

nucleus

Answer

electron cloud

Answer

core

Answer

center

Question 32

an atom with atomic number 6 would have how many protons

Accepted Answer

6

Answer

12

Answer

3

Answer

cannot be determined

Question 33

Particles in an atom that are neutral and have no charge are

Accepted Answer

neutrons

Answer

negatrons

Answer

electrons

Answer

protons

Question 34

An atoms overall charge is generally

Accepted Answer

neutral

Answer

positive

Answer

depends on its mood

Answer

negative

Question 35

Which of these is the electron?

Accepted Answer

A

Answer

B

Answer

C

Answer

D

Question 36

Which number here is my atomic number?

Accepted Answer

5

Answer

10.811

Question 37

How many Electrons

Accepted Answer

5

Answer

2.5

Answer

6

Answer

10.81

Question 38

In order for me to find the number of neutrons, I must round the atomic mass and then do what?

Accepted Answer

atomic mass - atomic number

Answer

atomic number-atomic mass

Answer

atomic number x atomic mass

Answer

atomic mass + atomic number

Question 39

Are the atoms more stable when they are bonded together or when they are apart?

Accepted Answer

Bonded Together

Answer

Apart

Question 40

Ionic Bonding involves...

Accepted Answer

The transfer of electrons

Answer

The transfer of protons

Answer

The transfer of nuetrons

Answer

None Of the above

Question 41

What do atoms that form positive ions tend to do?

Accepted Answer

Tend to lose electrons

Answer

Tend to lose protons

Answer

Tend to gain electrons

Answer

Tend to gain protons

Question 42

What is an ionic bond?

Accepted Answer

When two ions are held to each other by attraction of between the opposite charges

Answer

When ions seperate by force

Answer

None of the above

Question 43

Isotopes are atoms of the same element with a different amount of

Accepted Answer

neutrons

Answer

protons

Answer

electrons

Answer

atoms

Question 44

Two or more atoms chemically joined are called...

Accepted Answer

compounds

Answer

atoms

Answer

ionics

Answer

covalents

Question 45

What is a reactant?

Accepted Answer

The chemical substances on the left side or flat side of the arrow

Answer

The chemical substances on the right side or pointed side of the arrow

Question 46

What is a product?

Accepted Answer

The substances that come out of the chemical reaction.

Answer

The beginning substacnes

Question 47

The substances that are present before a reaction are the...

Accepted Answer

reactants

Answer

products

Answer

both of these

Answer

neither of these

Question 48

In a chemical equation, the substances that are on the right side/ pointed side of the arrow are the...

Accepted Answer

products

Answer

reactants

Answer

catalysts

Answer

inhibitors

Question 49

The positive particles of an atom are

Accepted Answer

protons

Answer

electrons

Answer

positrons

Answer

neutrons

Question 50

Balance this equation.
_Mg + _Cl₂--> _MgCl₂

Accepted Answer

already balanced

Answer

1, 2,1

Answer

2,1,1

Answer

1,1,2

Question 51

Balance this equation
_Zn+_HCl-->_ZnCl₂+_H₂

Accepted Answer

1,2,1,1

Answer

1,1,2,1

Answer

1,1,1,2

Answer

2,1,1,1

Question 52

What does the Law of Conservation of Mass state?

Accepted Answer

Matter cannot be gained or lost in a chemical reaction.

Answer

Matter can only be lost in a chemical reaction.

Answer

Matter can only be gained in a chemical reaction.

Answer

Matter can be gained and lost in a chemical reaction.

Question 53

What is the arrow in a chemical equation...
H_{2 +}O --> H₂O

Accepted Answer

Yields

Answer

Reactants

Answer

Products

Answer

Chemical Equation

Question 54

What is the little number after an element in a chemical equation called.
Example: H₂

Accepted Answer

Subscript

Answer

Coefficient

Answer

Atom

Answer

Equation

Question 55

At the end of chemical reactions, what is the total mass of the reactants compared to the total mass of the products?

Accepted Answer

the mass is the same

Answer

the product is doubled

Answer

the product is half the mass of the reactants

Answer

the mass changes depending on the reaction

Question 56

When balancing equations a ____ can be placed to the left of a formula of a substance to make the equations balanced

Accepted Answer

coefficient

Answer

charge

Answer

subscript

Answer

random number

Question 57

How many atoms of aluminum are on each side of the following equation: 4Al + 3O₂--> 2Al₂O₃

Accepted Answer

4

Answer

2

Answer

6

Answer

1

Question 58

Which side of a chemical equation is the product side?

Accepted Answer

Right (after the yields sign)

Answer

Left (before the yields sign)

Question 59

How many total F atoms are in this formula?

6MgF₂

Accepted Answer

12

Answer

2

Answer

6

Answer

8

Question 60

When you combine potassium and bromide, which of the following represents the correct formula?

Accepted Answer

KBr

Answer

BrK

Answer

KBr2

Answer

K2Br

Question 61

Matter can not be created nor destroyed: it can only be

Accepted Answer

Transformed, changed

Answer

Destroyed a little bit

Answer

Invisible

Answer

None of the above

Question 62

What is an ion?

Accepted Answer

A Charged Atom

Answer

A Large Atom

Answer

A Small Atom

Answer

A Cute Atom

Question 63

Barium atoms want to form...

Accepted Answer

a cation

Answer

an anion

Answer

an onion

Answer

a cuddly kitten friend

Question 64

An Arsenic atom wants to form...

Accepted Answer

An anion

Answer

A cation

Answer

An onion

Answer

A cuddly kitten friend

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