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chemical bond

Total questions: 58

Worksheet time: 1hrs 2mins

Name
Class
Date
1.
Ionic bonds are between...
a)
nonmetals and nonmetals
b)
carbon and oxygen
c)
metals and nonmentals
d)
hydrogen and chlorine
2.
Covalent bonds are between...
a)
two or more nonmetals
b)
sodium and chlorine
c)
metals and metals
d)
metals and nonmetals
3.
What kind of chemical bond forms between a metal and a nonmetal?
a)
ionic
b)
covalent
c)
fake
d)
metallic
4.
What kind of bond forms between two nonmetals?
a)
ionic 
b)
covalent
c)
metallic
d)
fake
5.
What is the name for an ion with a positive charge?
a)
cation
b)
anion
c)
onion
d)
union
6.
What is the name for an ion with a negative charge?
a)
cation
b)
anion
c)
onion
d)
union
7.
What kind of bond forms when atoms share electrons?
a)
ionic
b)
covalent
c)
artificial
d)
univalent
8.
What kind of bond forms when atoms exchange electrons?
a)
ionic
b)
covalent
c)
artificial
d)
univalent
9.
What are valence electrons?
a)
sum of the protons and neutrons
b)
protons minus electrons
c)
electrons in the inner shells
d)
electrons in the outer shell
10.
If an atom loses two electrons what charge will it have?
a)
-2
b)
-1
c)
+1
d)
+2
11.
If an atom gains two electrons what charge will it have?
a)
-2
b)
-1
c)
+1
d)
+2
12.
If an atom has 7 protons and 7 electrons what charge will it have?
a)
-2
b)
-1
c)
0
d)
+2
13.
Predict the bond that will form between Be and F.
a)
Ionic
b)
Covalent
14.
Predict the bond that will form between Se and Cl.
a)
Ionic
b)
Covalent
15.
Predict the bond that will form between Sr and S.
a)
Ionic
b)
Covalent
16.

What type of diagram is this?

a)

Lewis Dot Structure

b)

Bohr Model

c)

Alkali Diagram

d)

Chemical Diagram

17.
How many valence electrons in this structure?
a)
6
b)
5
c)
4
d)
7
18.
What is a valence electron?
a)
The sum of neutrons and protons.
b)
The # of electrons in the last shell.
c)
A type of bond.
d)
A popular compound.
19.

Which of these is not a real bond in chemistry?

a)

James

b)

Ionic

c)

Covalent

d)

Metallic

20.
Ionic bonds are between...
a)
nonmetals and nonmetals
b)
carbon and oxygen
c)
metals and nonmentals
d)
hydrogen and chlorine
21.
Covalent bonds are between...
a)
two or more nonmetals
b)
sodium and chlorine
c)
metals and metals
d)
metals and nonmetals
22.
What is the name for an ion with a positive charge?
a)
cation
b)
anion
c)
onion
d)
union
23.
What is the name for an ion with a negative charge?
a)
cation
b)
anion
c)
onion
d)
union
24.

Símbolo del ion Fluoruro

a)

F−F^-

b)

F+F^+

c)

F−2F^{-2}

d)

F+2F^{+2}

25.

¿Cómo se llama el anión Cl−Cl^-  ?

a)

Clorato 

b)

Cloruro 

c)

Clorito 

d)

Hipoclorito 

26.

 Nombre del ion HSO3−HSO_3^-

a)

Sulfuroso 

b)

Sulfurico 

c)

Sulfhidrico 

d)

Sulfato

27.

Nombre del Ion O−2O^{-2}  

a)

Oxido 

b)

Oxigeno

c)

Oxuro 

d)

Oxorato 

28.

Selecciona el ion Yoduro 

a)

I−I^-  

b)

I+I^+

c)

Y−Y^-

d)

Y+Y^+

29.

Un átomo neutro tiene 24 electrones y un numero masico de 52. Este átomo posee un número de neutrones de

a)

30

b)

28

c)

24

d)

52

30.

LOS IONES SE FORMAN CUANDO EL ÁTOMO PIERDE O GANA :

a)

PROTONES

b)

NEUTRONES

c)

ELECTRONES

31.

What is the chemical formula of Magnesium chloride?

a)

MgCl

b)

MgCl2

c)

MgC

d)

MgC2

32.

What is the chemical formula of sodium sulfate?

a)

SSO4

b)

SoSO4

c)

NaSO4

d)

Na2SO4

33.

What is the name of this chemical, H2SO4?

a)

Hydrogen sulfate

b)

Sulfuric acid

c)

Sulfate

d)

Sulfate hydrogen

34.

What is the formula of Copper (II) oxide?

a)

CUO

b)

CuO

c)

CuO2

d)

Cu2O

35.

What is the formula of nitric acid?

a)

H2SO4

b)

HNO3

c)

HCl

d)

hno3

36.

What is the name of ion that is present in all acids?

a)

hydrogen ion

b)

hydroxide ion

c)

nitrate ion

d)

sulfate ion

37.

Which of the following is not a property of an acid?

a)

pH>7

b)

Sour

c)

Able to conduct electricity

d)

Turns blue litmus paper red

38.

An alkaline taste

a)

salty

b)

bitter

c)

sour

d)

sweet

39.

How many atoms are there in the compound MgCO3?

a)

3

b)

4

c)

5

d)

6

40.

How many atoms of sulfur are in each molecule of H2SO4?

a)

1

b)

4

c)

2

d)

7

41.

Alanine is an amino acid with formula C3H7NO2. How many atoms in all are in each molecule of alanine?

a)

3

b)

7

c)

12

d)

13

42.

How many atoms of hydrogen are in a molecule of glucose (C6H12O6)?

a)

12

b)

6

c)

18

d)

4

43.

Which elements are in the formula shown above?

a)

Cobalt only

b)

Carbon and Oxygen

c)

Copper only

d)

Carbon and Osmium

44.

How many atoms of hydrogen are in the formula CH3CH2Br?

a)

5

b)

3

c)

2

d)

7

45.

In the equation shown, what are the reactant(s)?

a)

N2 + H2

b)

NH3

46.

Is this equation balanced?

a)

Yes

b)

No

47.
Which of the following shows the correct way to balance the chemical equation?
Fe + O2 -> Fe2O3
a)
4Fe + 3O2 -> 2Fe2O3
b)
2 Fe + 3O2 -> Fe2O6
c)
4 Fe + O6 -> 2Fe2O3
d)
None of the options are correctly balanced.
48.

When balancing this equation, Fe + Cl2 → FeCl3, the correct coefficient for Cl2?

a)

1

b)

2

c)

3

d)

4

49.

Chemical reactions

a)

create and destoy atoms

b)

only occurs outside living organisms

c)

occurs only in living organisms

d)

produce new substances

50.

Balance this equation, AlCl3 + NaOH → Al(OH)3 + NaCl

a)

3,1,3,1

b)

1,3,3,1

c)

1,1,1,3

d)

1,3,1,3

51.

Balance the following equation: Cr(s) + Fe(NO3)2 (ag) → Fe(s) + Cr(NO3)3 (ag)

a)

2,3,3,2

b)

2,3,2,3

c)

4,6,6,2

d)

1,3,3,1

52.

In the chemical equation H2O2(ag) → H2O(l) + O2(g), the O2 is a

a)

reactants

b)

yield

c)

products

d)

solid

53.
Balance this equation
_Zn+_HCl-->_ZnCl2 +_H2
a)
1,1,2,1
b)
1,1,1,2
c)
1,2,1,1
d)
2,1,1,1
54.
Predict the following reaction 
NaCl   +   Ca(NO3)2 --> 
a)
no reaction both products are aqueous 
b)
Calcium chloride and sodium nitrate are produced  
c)
sodium nitrate is a solid formed 
d)
calcium chloride is the solid formed
55.
A metal is reacted with an acid to produce a salt and a hydrogen gas. What type of reaction has occurred? 
a)
neutralization 
b)
double replacement 
c)
single replacement 
d)
synthesis 
56.
Which of the following is not evidence of a chemical reaction?
a)
Formation of a precipitate
b)
Production of gas
c)
Change in temperature
d)
Change in state of matter
57.
Balance the following equation:
____MgO + ____H2O → ____Mg(OH)2
a)
1,1,1
b)
1,2,2
c)
2,3,4
d)
2,2,2
58.

AB + CD --> CB + AD

a)

Synthesis

b)

Decomposition

c)

Single Replacement

d)

Double Replacement

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