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Unit 7 Atomic Structure Test Review

Total questions: 54

Worksheet time: 38mins

Name
Class
Date
1.

Look at this picture of Argon off the periodic table. Which of the following is true for this element?

a)

18 protons

b)

40 protons

c)

22 protons

d)

21.9 protons

2.

The atomic mass of an atom is equal to

a)

number of protons plus number of neutrons

b)

number of protons plus number of electrons

c)

number of electrons plus the number of neutrons

3.
The number of these determines which element an atom is.
a)
neutrons
b)
electrons
c)
protons
4.
How is the number of neutrons in the nucleus of an atom calculated?
a)
Add the number of e- and p+ together
b)
Subtract the number of e- from p+
c)
Subtract the number of p+ from the mass number
d)
Add the mass number to the number of e-
5.

An atom has 10 protons, 15 neutrons and 10 electrons what is its mass number.

a)

20

b)

10

c)

35

d)

25

6.
Where is most of the mass in an atom located?
a)
in the nucleus
b)
in the protons
c)
in the neutrons
d)
in the electrons
7.
An atom has an atomic number of 15 and a mass number of 31. How many protons are there in the atom?
a)
15
b)
31
c)
16
d)
47
8.
The atomic number of an element that has 9 protons, 9 electrons, and 10 neutrons is _____.
a)
9
b)
10
c)
19
d)
28
9.
The period for Bromine is ___________.
a)
3
b)
2
c)
4
10.
Elements in the same ________ are more chemically similar.
a)
group
b)
period
c)
club
d)
table
11.
Which of the following is not a property of metals?
a)
brittle
b)
malleable
c)
lustrous
d)
conductive
12.

Name group 1 on the periodic table.

a)

alkali metals

b)

alkaline earth metals

c)

noble gases noble gases

d)

halogens

13.

Name group 2 on the periodic table.

a)

alkali metals

b)

alkaline earth metals

c)

noble gases

d)

transition metals

14.

Name groups 3 - 12 on the periodic table.

a)

noble gases

b)

halogens

c)

metalloids

d)

transition metals

15.

Name group 18 on the periodic table.

a)

alkali metals

b)

alkaline earth metals

c)

transition metals

d)

noble gases

16.

Name group 17 on the periodic table.

a)

transition metals

b)

metalloids

c)

halogens

d)

alkali metals

17.
Which group has the most reactive nonmetals?
a)
alkali metals
b)
noble gases
c)
metalloids
d)
halogens
18.
Which statement is true about the carbon family?
a)
They are all non-metals.
b)
They all have four valence electrons.
c)
They are all metals.
d)
They do not react with other elements.
19.
Which statement is true about the alkaline earth metal family?
a)
They have 2 valence electrons.
b)
They are found on the right side of the periodic table.
c)
They form -2 charges.
d)
They tend to gain valence electrons.
20.
In order for an atom to be neutral what has to be true?
a)
The atom has more protons than neutrons
b)
The atom has more neutrons than protons
c)
The atom has the same number of protons and neutrons
d)
The atom has the same number of protons and electrons
21.

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

a)

Protons

b)

Neutrons

c)

Electrons

d)

Mass

22.

The number of neutrons equals...

a)

Atomic number - protons

b)

Protons - neutrons

c)

Electrons - protons

d)

mass number - atomic number

23.

How many electrons can be in the 2nd energy level hold?

a)

1

b)

2

c)

4

d)

8

24.
How many valence electrons are found in atoms of group 15?
a)
4
b)
5
c)
2
d)
3
25.

The charge of the nucleus of all atoms

a)

positive

b)

negative

c)

neutral

d)

sometimes positive and sometimes negative

26.
Which of these phrases best describes an atom?
a)
a positive nucleus surrounded by a hard negative shell
b)
a positive nucleus surrounded by a cloud of negative charges
c)
a hard sphere with postive and negative charges on the outside
d)
a negative nucleus surrounded by protons and neutrons
27.

Which color on the image of the periodic table corresponds with the metalloids.

a)

bright yellow

b)

gold

c)

teal

d)

light blue

28.

Dimitri Mendeleev first ordered the periodic table of elements by increasing

a)

atomic number

b)

atomic mass

c)

atomic symbol

d)

atomic weight

29.

Most metals share four common physical characteristics. Which of the options is not one of the four?

a)

Luster

b)

Conductivity

c)

Ductility

d)

Malleability

e)

Reactivity

30.

What is the most reactive nonmetal?

a)

Fluorine

b)

Iodine

c)

Chlorine

d)

Bromine

31.

The period number tells you the number of

a)

protons

b)

energy levels

c)

valence electrons

32.

How many protons does Phosphorus-30 have?

a)

30

b)

16

c)

12

d)

15

33.

Which of the following is the correct isotope notation for Silver-105:

a)
b)
c)
d)
34.

Which element is this?

a)

Nickel

b)

Neon

c)

Sodium

d)

Nitrogen

35.
an element will always have the same number of 
a)
neutrons
b)
protons
c)
isotopes
d)
atoms
36.
Rows on the period table are called _____ while columns are called _____.
a)
groups, families
b)
groups, periods
c)
periods, groups
d)
families, groups
37.
An element with five valence electrons is
a)
phosphorus
b)
oxygen
c)
beryllium
d)
rubidium
38.
What group does this element belong to?
a)
Group 1: Alkali metals
b)
Group 18: Noble Gases
c)
Group 2: Alkaline-Earth Metals
d)
Group 17: Halogens
39.

Named the atom based on the greek work atomus meaning indivisible.

a)

Democritis

b)

Dalton

c)

Moseley

d)

Einstein

40.

The scientist responsible for "discovering" the nucleus is with his gold foil experiment.

a)

Bohr

b)

Rutherford

c)

Schroedinger

d)

Einstein

41.
The nucleus of an atom can be described as:
a)
spacious and negatively charged
b)
dense and positively charged
c)
spacious and positively charged
d)
dense and negatively charged
42.

JJ Thomson came up with which model for the atom?

a)

planetary model

b)

electron cloud model

c)

plum pudding model

d)

nuclear model

43.

The number of protons is equal to the number of electrons for an atom. This means an atom is-

a)

electrically neutral

b)

electrically positive

c)

electrically negative

44.

Who proposed a model with electrons moving in fixed orbits?

a)

Dalton

b)

Rutherford

c)

Bohr

d)

Thomson

45.

The hyphen notation of an atom of calcium with 20 protons, 20 electrons, and 22 neutrons is

a)

calcium - 20

b)

calcium - 40

c)

calcium - 62

d)

calcium - 42

46.

The number 84 in strontium - 84 represents

a)

the atomic number

b)

the mass number

c)

the average atomic mass

d)

the number of electrons

47.

I am a semi-conductor

a)

Metals

b)

Nonmetals

c)

Metalloids

48.

I can be a solid, liquid or a gas

a)

Metals

b)

Nonmetals

c)

Metalloids

49.
How would this element be classified?
a)
Metal
b)
Nonmetal
c)
Metalloid
d)
Metamorphic
50.
Aluminum can be hammered into different shapes or rolled into flat sheets. This means Aluminum is 
a)
ductile
b)
malleable
c)
lustrous
d)
high density
51.

Vanadium (V) is a good conductor, malleable and ductile. What type of element is vanadium?

a)

Metal

b)

Nonmetal

c)

Metalloid

d)

Superconductor

52.
All of these properties describe metals except...
a)
malleable
b)
conductors
c)
brittle 
d)
shiny
53.

Which electrons have the greatest energy?

a)

The electrons closest to the nucleus

b)

The electrons that are in an orbital by themselves

c)

The electrons in the outer energy shell, furthest from the nucleus

d)

They all have the same energy

54.

When is the nucleus of an atom the most stable?

a)

When it has more protons than neutrons

b)

When it has more neutrons than protons

c)

When it has no neutrons

d)

When the number of neutrons and protons are equal

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