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Basic Atomic Structure

Total questions: 50

Worksheet time: 48mins

Name
Class
Date
1.

What is the charge of a proton?

a)

Negative

b)

Positive

c)

Neutral

2.

What is the charge of a neutron?

a)

Negative

b)

Positive

c)

Neutral

3.

Which of the following make up parts of an atom?

a)

neutron

b)

proton

c)

electron

d)

ultron

4.

Which of the following parts of an atom are positively charged?

a)

neutron

b)

proton

c)

electron

d)

nucleus

5.
Subatomic particle with a charge of 0
a)
neutron
b)
proton
c)
electron
d)
quark
6.

Subatomic particles with a negative charge

a)

Electrons

b)

Neutrons

c)

Protons

d)

Quarks

7.
Subatomic particles with a positive charge
a)
neutrons
b)
atomic mass
c)
protons
d)
isotopes
8.

These are found in the nucleus and have a neutral charge.

a)

proton

b)

electron

c)

neutron

9.
These will determine what element an atom is. 
a)
number of neutrons
b)
number of electrons
c)
number of atoms 
d)
number of protons 
10.
What are subatomic particles? 
a)
the nucleus 
b)
electron cloud
c)
positive charge
d)
electrons, protons, and neutrons
11.
An atom of the element with atomic number 6 always has _____.
a)
six protons in its nucleus
b)
an atomic mass of six
c)
more than six neutrons
d)
six electron clouds
12.
A particle that orbits around the nucleus is a(n)...
a)
Proton
b)
Neutron
c)
Electron
d)
Quark
13.
The positive particles of an atom are 
a)
electrons 
b)
positrons 
c)
neutrons 
d)
protons 
14.
the central region of an atom where its neutrons and protons are is its 
a)
nucleus 
b)
electron cloud
c)
core 
d)
center 
15.
How many neutrons does the isotope of lithium have?
a)
8
b)
3
c)
4
d)
5
16.

How many protons does the isotope of lithium have?

a)
8
b)
3
c)
4
d)
5
17.
What element has 42 protons?
a)
Ca
b)
Mo
c)
Zr
d)
Po
18.
If an atom of nickel has a charge of +3, how many electrons does the atom have?
a)
28
b)
25
c)
26
d)
31
19.
If an atom of oxygen has a charge of -2, how many electrons does the atom have?
a)
18
b)
6
c)
8
d)
10
20.
What is the mass number of an atom of gold with 117 neutrons?
a)
117
b)
196
c)
196.97
d)
197
21.
How many protons does this isotope of titanium have?
a)
48
b)
22
c)
26
d)
70
22.

How many neutrons does this isotope of titanium have?

a)
48
b)
22
c)
26
d)
70
23.
In a correctly written symbol what would be located in the "A" position?
a)
number of neutrons
b)
atomic number
c)
number of electrons 
d)
mass number
24.

In a correctly written symbol what would be located in the "Z" position?

a)
number of neutrons
b)
atomic number
c)
number of electrons 
d)
mass number
25.
If X is the symbol for an element, which of the following two symbols represent    isotopes of the same element?     I. 7735X  II. 7733X  III. 8137X  IV. 8135 X
a)
I and II
b)
III and IV
c)
I and IV
d)
I and III
26.
How many neutrons does an atom of the isotope Neon-22 have?
a)
12
b)
10
c)
22
d)
20
27.
An atom is electrically neutral when
a)
protons and neutrons are the same
b)
protons and electrons are the same
c)
neutrons and electrons are the same
d)
neutrons balance the protons and electrons
28.
Two isotopes of carbon are carbon-12 and carbon-14.  These isotopes differ from one another by two protons.
a)
true
b)
false
29.
If the number of electrons in an atom changes you make a(n) __________________.
a)
ion
b)
isotope
c)
new element
d)
isomer
30.
Ions are: 
a)
atoms with a positive or negative charge
b)
atoms with no charge
c)
atoms with ONLY a positive charge
d)
atoms with ONLY a negative charge
31.
How many electrons are in an atom that has an atomic number of 34, an atomic mass of 74 and a charge of -2?
a)
34
b)
36
c)
2
d)
40
32.

What does the mass number of an element represent?

a)

The number of protons in an atom

b)

the number of neutrons in an atom

c)

the number of electrons in an atom

d)

the number of protons and neutrons in an atom

33.
Which is the correct definition of isotope?
a)
Isotopes are atoms of the same element with different numbers of neutrons
b)
Isotopes are atoms of the same element with different numbers of protons
c)
Isotopes are atoms of the same element with different numbers of electrons
34.
What is the mass number of a carbon atom that contains 6 protons, 8 neutrons, and 6 electrons? 
a)
14
b)
6
c)
8
d)
20
35.
What is the structure of a krypton-85 atom?
a)
36 electrons, 36 protons, and 49 neutrons
b)
49 electrons, 49 protons, and 49 neutrons
c)
49 electrons, 49 protons, and 85 neutrons
d)
36 electrons, 36 protons, and 85 neutrons
36.
How many neutrons does a Calcium 48 isotope have?
a)
16
b)
20
c)
28
d)
12
37.

Label the two parts of the atom here.

a)Nucleus
b)Electron cloud
1
2
1)
2)
38.

Match the following mass amounts with the proper charge.

a)

Protons

1.

(+)positive

b)

Electron

2.

(-) negative

c)

Neutron

3.

(0) neutral, no charge

39.

Label the element with what the different parts represent.

a)

Atomic Number

b)

Atomic Mass

c)

Element Name

d)

Element Symbol

1
2
3
4
1)
2)
3)
4)
40.
What is the charge of an atom that has gained one electron?
a)
-1
b)
-2
c)
+1
d)
+2
41.

What is the charge of an atom that has lost one electron?

a)
-1
b)
-2
c)
+1
d)
+2
42.

How many protons are in an isotope of silver-107?

43.

How many neutrons are in an isotope of silver-107?

44.

Give the full name of the isotope that contains 79 protons, 79 electrons and 121 neutrons.

(a)  

45.

Give the full name of the isotope that contains 11 protons, 11 electrons and 12 neutrons.

(a)  

46.

What is the charge of an ion that contains 25 protons, 27 electrons and 30 neutrons?

47.

What is the charge of an ion that contains 29 protons, 27 electrons and 30 neutrons?

48.

What is the mass number of an ion that contains 29 protons, 27 electrons and 30 neutrons?

49.

Which of the following does the number of protons affect for an atom? Choose all that apply

a)

Mass

b)

Charge

c)

Name

d)

None of other choices

50.

Which of the following does the number of electrons affect for an atom? Choose all that apply

a)

Mass

b)

Charge

c)

Name

d)

None of other choices

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