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Q1 Cumulative Test Review

Total questions: 51

Worksheet time: 1hrs 10mins

Name
Class
Date
1.
Example for chemical property
a)
color
b)
hardness
c)
toxicity
d)
solubility
2.
Example for physical property
a)
odor
b)
burns in air
c)
reacts with water to create hydrogen gas
d)
rust
3.
Which of the following is a sign that a chemical reaction has occurred?
a)
change in shape
b)
melting
c)
formation of a gas
d)
dissolving
4.
Fizzing, foaming, and burning are all examples of
a)
Chemical change
b)
Physical change
5.
Isotopes are atoms of the same element with different #’s of __________ & therefore different __________.
a)
n0 ;  atomic #’s
b)
p+ ; atomic #’s
c)
e- ; atomic masses
d)
n0 ; atomic masses
6.
How many neutrons does the isotope below have?     89 36Kr
a)
53
b)
36
c)
89
d)
125
7.

Isotopes of an element have a different number of...

a)

Protons

b)

Neutrons

c)

Electrons

d)

Mass

8.

In an exothermic reaction is energy (heat, light, etc.) a product or a reactant?

a)

product

b)

reactant

9.

Look at the equation below: is it an endo or exothermic reaction?


6CO2 + 6H2O + energy → C6H12O6 + 6O2

a)

endothermic

b)

exothermic

10.

The name of FeCl₂ is

a)

iron chloride

b)

iron (II) chloride

c)

iron (I) chloride

d)

iron dichloride

11.

Name the ionic compound SnSe2

a)

Tin diselenide

b)

Tin (IV) Selenide

c)

Tin selenide

d)

Tin (II) triselenide

12.

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

a)

potassium + fluorine

b)

beryllium + oxygen

c)

boron + iodine

d)

gold + oxygen

13.
Combine
Li & Cl
Formula?
a)
Li2Cl
b)
LiCl
c)
LiCl3
d)
LiCl2
14.
Combine
Na & P
Formula?
a)
NaP
b)
Na3P
c)
Na3P2
d)
NaP3
15.
Combine
Be & Cl
Formula?
a)
Be2Cl
b)
BeCl
c)
BeCl3
d)
BeCl2
16.
Combine
Al & S
Formula?
a)
Al2S3
b)
Al3S2
c)
AlS
d)
AlS3
17.
Choose the set that goes from lowest to highest electronegativity?
a)
Cu, Mg, Sr, Ca
b)
F, Cl, Br, Si
c)
Cs, Rb, Ca, Mg
d)
Zn, Cd, Ag, Cu
18.
Electronegativity is...
a)
how good an atom is at attracting electrons
b)
the ability of an atom to lose electrons
c)
the energy required to remove an electron from a specific atom
d)
how easy it is to make friends. 
19.
What atom matches this electron configuration?
1s2 2s2 2p6 3s2
a)
Neon
b)
Magnesium
c)
Aluminum
d)
Potassium
20.
How many electrons can the d sublevel hold?
a)
8
b)
10
c)
2
d)
4
21.
How many p orbitals are there in a sublevel?
a)
2
b)
1
c)
4
d)
3
22.
What is this element? 
1s22s22p63s23p6
4s23d104p6
a)
Argon
b)
Krypton
c)
Selenium
d)
Bromide
23.
What atom matches this electron configuration?
[Xe] 6s2 4f14 5d9
a)
Mercury
b)
Gold
c)
Platinum
d)
Thallium
24.
How many valence electrons does an alkaline earth metal have? 
a)
1
b)
2
c)
7
d)
8
25.
How many valence electrons does a halogen have? 
a)
1
b)
2
c)
7
d)
8
26.
An atom that has the electron configuration of 1s22s22p63s23p64s23d5 is classified as
a)
A transition element
b)
a noble gas
c)
an alkali metal
d)
an alkaline earth metal
27.
Which of the following in not a diatomic element?
a)
hydrogen
b)
carbon
c)
nitrogen
d)
oxygen
28.

How is an atom and ion different?

a)

An atom has a charge and an ion has no charge.

b)

An atom has no charge and an ion has a charge.

29.

What charge will result if an ion loses electrons?

a)

positive

b)

negative

c)

neutral

30.

What charge results of an ion gains electrons

a)

positive

b)

neutral

c)

negative

31.

All atoms can become stable by...

a)

losing or gaining electrons to obtain a full valence (outer) shell

b)

losing or gaining protons to obtain a full valence (outer) shell

c)

losing or gaining neutrons to obtain a full valence (outer) shell

32.

What is the overall charge of an ion that has 11 protons, 10 electrons and 12 neutrons?

a)

1+

b)

1-

c)

2+

d)

2-

33.

The diagram represents the bright-line spectra of four elements and a bright-line spectrum produced by a mixture of three of these elements. Which element is not present in the mixture?

a)

A

b)

D

c)

X

d)

Z

34.
24.1% of all the isotopes of a an element have a mass of 75.23 amu, 48.7% have a mass of 74.61 amu, and 27.2% have a mass of 75.20 amu.
What is the average mass of this element?
a)
74.92 amu
b)
24.97 amu
c)
75.01 amu
d)
74.51 amu
35.
24.1% of all the isotopes of a an element have a mass of 75.23 amu, 48.7% have a mass of 74.61 amu, and 27.2% have a mass of 75.20 amu.
How many protons does this element have?
a)
32
b)
33
c)
34
d)
no way to know
36.
Which problem is balanced?
a)
PbO2 + 2H2--> H2SO4
b)
SO2 + H20 --> H2SO4
c)
2Na + 2H2O --> 2NaOH + H2
d)
2Na + 2H2O --> 2NaOH + H
37.
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
38.
Balance this equation.
_Mg + _Cl2 --> _MgCl2
a)
1, 2,1
b)
already balanced
c)
2,1,1
d)
1,1,2
39.
Always starts with a hydrocarbon that reacts with oxygen and produces carbon dioxide and water. 
a)
Decomposition
b)
Synthesis
c)
Combustion
d)
Single Replacement
40.
One reactant into several products.
a)
Decomposition
b)
Synthesis
c)
Combustion
d)
Single Replacement
41.
One element replaces another in a compound.
a)
Synthesis
b)
Combustion
c)
Single Replacement
d)
Double Replacement
42.
This pictures simulates what type of reaction?
a)
Synthesis
b)
Decomposition
c)
Single Replacement
d)
Double Replacement
43.
The following reaction is an example of what reaction type? 
CoCO3 → CoO + CO2
a)
Synthesis
b)
Decomposition
c)
Single Replacement
d)
Double Replacement
44.
Which of the following is true for alkaline earth metals as their atomic number increases?
a)
The atomic radius decreases.
b)
Ionization energy decreases.
c)
The number of valence electrons increases.
d)
The Coulombic attraction increases.
45.
Which of the following sequences corresponds to a correct trend in ionization energy?
a)
Cl > S > P > Al
b)
Sr > Ca > Mg > Be
c)
Rb > K > Na > Li
d)
Rb > Sr > I > Xe
46.
Which of the following is true about a sulfur atom and a chlorine atom?
a)
Sulfur is larger and has higher ionization energy.
b)
Sulfur is larger and has lower ionization energy.
c)
Sulfur is smaller and has higher ionization energy.
d)
Sulfur is smaller and has lower ionization energy.
47.

Different forms of the same element that have different properties because of different atom arrangements are called ____.

a)

allotropes

b)

halogens

c)

graphites

d)

carbons

48.

When an atom of potassium becomes an ion what happens to it's size?

a)

It gets smaller because it loses it's valence electron and therefore loses an energy shell

b)

It gets larger because it gains some valence electrons and therefore gains an energy shell

49.
What particle was used in the gold foil experiment?
a)
Beta Particle
b)
Alpha particle
c)
Gamma ray 
50.
Most of the alpha particles went straight through the gold foil.  This suggested that....
a)
There is no interference between alpha and gold.
b)
Most of the atom is made up of empty space.
c)
The alpha particles were very tiny.
d)
None of the above
51.
Some of the alpha particles fired at the gold foil were deflected at angles.  This was due to...
a)
reflection of the alpha source when it it the fluorescent screen.
b)
The alpha particles hitting the gold nucleus.
c)
Repulsion forces between the positively charged nucleus and the positively charged alpha particles. 
d)
A mis-firing of the alpha source

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