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Second P. Test Review-Gen Chem 1

Total questions: 63

Worksheet time: 24mins

Name
Class
Date
1.

What type of chemical reaction is represented by the following equation?
2H₂ + O₂ → 2H₂O

a)

Decomposition

b)

Single displacement

c)

Combination

d)

Double Decomposition

2.

What is the name of the compound with chemical formula FeCl₂?

a)

iron chloride

b)

iron (II) chloride

c)

iron (I) chloride

d)

iron dichloride

3.

Which of the following combinations would need roman numerals in the name?

a)

potassium + fluorine

b)

beryllium + oxygen

c)

boron + iodine

d)

lead + oxygen 

4.

What is the name of the compound Na2SO4?

a)

sodium sulfate

b)

sodium sulfide

c)

sodium sulfite

d)

Sodium sulfuroxide

5.

Which of these combinations is an ionic compound made of?

a)

metal and metal

b)

nonmetal and nonmetal

c)

metal and nonmetal

d)

cation and Cation

6.

When naming ionic compounds with transition metals you need to include roman numerals to show the ___ of the metal.

a)

atomic number

b)

mass number

c)

charge

d)

ionization energy

7.

When two or more different elements are chemically combined, it forms a ___.

a)

mixture

b)

element

c)

solution

d)

compound

8.

When naming ionic compounds, you always write the name of the positive element ___.

a)

first

b)

second

c)

with "ide"

d)

with a prefix

9.

When naming binary ionic compounds, you change the ending of the second element to ___.

a)

-ate

b)

-ite

c)

-ide

d)

-ine

10.

What is the formula for magnesium carbonate?

a)

MgCO3

b)

Mg(CO3)2

c)

Mg2CO6

d)

Mg2CO3

11.

What is the formula for carbonic acid?

a)

CO3

b)

H2CO2

c)

HCO2

d)

H2CO3

12.

What is the formula for Sulfurous Acid?

a)

HSO3

b)

H2SO3

c)

SO3

d)

H2SO4

13.

What is the correct formula for Lead IV oxide?

a)

Pb2O4

b)

Pb4O2

c)

PbIVO

d)

PbO2

14.

What is formula for Chromium II Bromide?

a)

ChBr

b)

Cr2Br

c)

CrBr2

d)

CrBr

15.

What is the charge on the oxide ion?

a)

1+1+

b)

1−1-

c)

2+2+

d)

2−2-

16.

What is the significance of the group number of an element?

a)

The group number tells the number of electron shells that are present within an atom

b)

The group number signifies the number of protons present

c)

The group number tells the number of valence electrons of an atom

d)

Number tells the amount of neutrons present

17.

A positively charged ion is called a/an

(a)  

18.

Why is an atom electrically neutral??

a)

It has an equal number of protons and neutrons

b)

It has an equal number of electrons and neutrons

c)

It has an equal number of protons and electrons

d)

It has more protons than neutrons

19.

What are the symbols for sodium, potassium and Calcium, respectively?

a)

S, P, Ca

b)

Na, K, Ca

c)

Na, P, Ca

d)

S, K, Ca

20.

An ion is electrically neutral

a)

True

b)

False

21.

Which of the following is a polyatomic ion?

a)

Sodium chloride

b)

Sulfate Ion

c)

Magnesium carbonate

d)

Oxide Ion

22.

Elements in the same group have the same number of valence electrons?

a)

True

b)

False

23.

When a Calcium atom is converted to a Ca2+ ion, what change took place?

a)

An electron was lost

b)

2 electrons were gained

c)

2 electrons were lost

d)

A electron was gained

24.

What is the oxidation state of Fe in Fe (II) oxide?

4 lines
25.

What is the oxidation state of Fe in Fe (II) oxide?

4 lines
26.
What is Sulfur Trichloride?
a)
SCl3
b)
SiCl3
c)
SCl4
d)
Si3Cl
27.

What type of chemical reaction is:

2 MgI2 + Mn(SO3)2→ 2 MgSO3 + MnI4

a)

synthesis

b)

decomposition

c)

single replacement

d)

double replacement

e)

combustion

28.

What type of chemical reaction is:

2 C5H5 + Fe → Fe(C5H5)2

a)

synthesis

b)

decomposition

c)

single replacement

d)

double replacement

e)

combustion

29.

What type of chemical reaction is:

2 AgNO3 + Cu→ Cu(NO3)2 + 2 Ag

a)

synthesis

b)

decomposition

c)

single replacement

d)

double replacement

e)

combustion

30.

What type of chemical reaction is:

CaCO3→ CaO + CO2

a)

synthesis

b)

decomposition

c)

single replacement

d)

double replacement

e)

combustion

31.

Which element reacts with oxygen to form ionic bonds?

a)

Calcium

b)

Hydrogen

c)

Chlorine

d)

Nitrogen

32.

Which diatomic molecule is formed when the two atoms share six electrons?

a)

H2

b)

N2

c)

O2

d)

F2

33.

What is the Stock name of the compound, Fe(NO3)3?

(a)  

34.

What is the formula for diphosphorus pentoxide?

a)

P5O2

b)

PO5

c)

P2O5

d)

Po2O5

35.

What is the name of Br6F10 ?

a)

Bromium fluoride

b)

Hexabromine fluoride

c)

Bromium decafluoride

d)

Hexabromine decafluoride

36.

When naming a transition metal ion that can have more than one common ionic charge, the numerical value of the charge is indicated by ________.

a)

prefix

b)

Roman numeral following the name

c)

suffix

d)

superscript after the name

37.
H2SO4 - name?
a)
hydrogen sulfide
b)
hydrosulfuric acid
c)
hydrogen sulfide
d)
sulfuric acid
38.
What is the formula for Hydrosulfuric Acid?
a)
H2(SO3)
b)
H2S
c)
H2(SO2)
d)
H2(SO4)
39.

Choose the correct formula for hypochlorous acid

a)

HOCl

b)

HClO2

c)

HClO3

d)

HClO4

40.

A cation is where

a)

There are more electrons than protons

b)

Protons and electrons are equal

c)

The number of electrons are less than the number of protons

41.

What is the left part of a chemical equation called?

2H2 + O2 ---> 2H2O

a)

Reactants

b)

Yields

c)

Products

d)

Chemical equation

42.

What is the right part of a chemical equation called?

2H2 + O2 ---> 2H2O

a)

Reactants

b)

Yields

c)

Products

d)

Chemical Equation

43.

What is the total number of atoms present in 5Na3PO4?

a)

5

b)

55

c)

40

d)

8

44.

How many Mn atoms are found in the following compound?

2MnO4

a)

1

b)

2

c)

4

d)

8

45.

What is the little number after an element in a chemical equation called?

Example: H2

a)

Coefficient

b)

Atom

c)

Subscript

d)

Equation

46.

Is the following equation balanced?

Al + O2 ---> 2Al2O3

a)

YES

b)

NO

47.

How many elements are in C6H12O6?

a)

1

b)

2

c)

3

d)

4

48.

What is the number before a chemical formula called?

Example: 2H2 + O2 ---> 2H2O

a)

Coefficient

b)

Atom

c)

Subscript

d)

Equation

49.

Is the following equation balanced?

4Fe + 3O2 ---> 2Fe2O3

a)

YES

b)

NO

50.

Is the following equation balanced?

NaHCO3 ---> Na2CO3 + H2O + CO2

a)

YES

b)

NO

51.

The products of a reaction have the same ________as the reactants.

a)

molecule

b)

atoms

c)

subscripts

d)

coefficients

52.

What does this symbol Δ above the arrow mean?

a)

a precipitate is form

b)

heat is supplied

c)

a calalyst is needed

d)

electricity is needed

53.

Balance this equation, CaCO3(s) → CaO(s) + CO2(g)?

a)

3,1,2

b)

1,1,1

c)

1,3,1

d)

2,6,3

54.

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

55.

Chemical equations

a)

give directions for naming compounds

b)

describe only biological changes

c)

describe chemical reactions

d)

show how to write formulas

56.
How many atoms of aluminum are on each side of the following equation: 4Al + 3O2 --> 2Al2 O3
a)
2
b)
6
c)
1
d)
4
57.
At the end of chemical reactions, what is the total mass of the reactants compared to the total mass of the products?
a)
the product is doubled
b)
the product is half the mass of the reactants
c)
the mass is the same
d)
the mass changes depending on the reaction
58.

To balance a chemical equation, it may be necessary to adjust the

a)

formulas of the products

b)

subscripts

c)

coefficients

d)

number of products

59.
The following is what type of reaction:
PbCl2 + AgNO3 → Pb(NO3)2 + AgCl
a)

Combination/Synthesis

b)
Decomposition
c)

Single Displacement

d)

Double Displacement

60.
The following is what type of reaction:
NH3 + HCl  → NH4Cl
a)

Combination/Synthesis

b)
Decomposition
c)

Single Displacement

d)

Double Displacement

61.
What is decomposition?
a)
putting substances together
b)
breaking substances apart
c)

element displacing another element in a compound

d)

burning of a substance

62.
What type of chemical reaction is this?
Al(OH)3 → Al2O3  + H2O
a)
Decomposition
b)
Combustion
c)

Combination/Synthesis

d)

Single Displacement 

63.
3Ca + 2AlCl3 --> 3CaCl2 + 2Al
a)
Synthesis
b)
Decomposition
c)
Single Displacement
d)
Double Displacement

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