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Atomic Structure Quiz

Total questions: 32

Worksheet time: 24mins

Name
Class
Date
1.
How many protons are in Potassium - 40.
a)
39
b)
40
c)
21
d)
19
2.
How many neutrons are in Vanadium - 51
a)
51
b)
23
c)
28
d)
27
3.
What is the isotope of an atom with 7 protons, 8 neutrons and 7 electrons?
a)
Nitrogen - 15
b)
Phosphorus - 31
c)
Nitrogen - 14
d)
Nitrogen - 22
4.
How many protons and neutrons are in the following atom?
a)
50p, 69n
b)
50p, 50n
c)
50p, 119n
d)
50p, 59n
5.
How many protons and neutrons are in the following atom?
a)
55p, 25n
b)
25p, 55n
c)
25p, 35n
d)
25p, 30n
6.
The number of protons ALWAYS equals the...
a)
atomic number
b)
mass number
c)
neutrons
d)
weight
7.
The mass number is the number of...
a)
protons and electrons
b)
protons and neutrons
c)
protons
d)
neutrons
8.
In a neutral atom, the number of protons equals the number of...
a)
neutrons
b)
electrons
c)
atoms
d)
isotopes
9.
An isotope is...
a)
atoms with the same number of neutrons but different protons.
b)
atoms with the same number of protons but different neutrons.
c)
atoms with the same number of electrons and neutrons.
d)
two different atoms on the periodic table.
10.
How many protons and neutrons are in the following atom: Boron - 12
a)
12p, 12n
b)
5p, 12n
c)
5p, 6n
d)
5p, 7n
11.

What is the atomic number of an element with 6 protons?

a)

6

b)

12

c)

18

d)

24

12.

Which of the following elements has 8 protons?

a)

Oxygen

b)

Carbon

c)

Nitrogen

d)

Fluorine

13.
A helium nucleus with two protons and two neutrons is called a(n) ____.  
a)
alpha particle
b)
electroscope
c)
beta particle
d)
gamma ray
14.

The mass number of Neptunium (Np) is (a)   .

15.

The atomic number of Neptunium (Np) is (a)   .

16.
Solve this equation for alpha decay.
85209At = ___ + 24He
a)
83205Bi
b)
86209Rn
c)
81207Tl
d)
85208At
17.
Solve this equation for beta decay.
614C = ___ + -10e
a)
410Be
b)
714N
c)
210He
d)
613C
18.

The atomic number of Actinium (Ac) is (a)   .

19.

In beta decay, the mass number

a)

decreases by 4.

b)

increases by 1.

c)

stays the same.

d)

decreases by 2.

20.

In beta decay, the atomic number

a)

decreases by 2.

b)

increases by 1.

c)

stays the same.

d)

decreases by 1.

21.

Oxygen-19 produces ________________ through beta decay.

a)

nitrogen-19

b)

fluorine-19

c)

carbon-14

d)

lead-208

22.

The scientist(s) that is repsonsible for the Solid Sphere Model is

a)

JJ Thompson

b)

John Dalton

c)

Ernest Rutherford

d)

Schordinger & Heisenberg

e)

Niels Bohr

23.

The scientist(s) that is repsonsible for the Plum Pudding Model is

a)

JJ Thompson

b)

John Dalton

c)

Ernest Rutherford

d)

Schordinger & Heisenberg

e)

Niels Bohr

24.

The scientist(s) that is repsonsible for the Planetary Model is

a)

JJ Thompson

b)

John Dalton

c)

Schordinger & Heisenberg

d)

Niels Bohr

25.

During the gold foil experiment, postively charged particles (alpha particles) were shot at an atoms thick piece of gold. What was observed?

a)

The alpha particles were absorbed by the foil

b)

All of the alpha particles bounced back

c)

Most of the alpha particles went straight through but a few bounced back

d)

All of the alpha particles stuck to the outside of the gold foil

26.

During the Cathode Ray Tube experiment the beam bent towards the magnet's positive side. This meant that the beam was

a)

Positively charged

b)

Negatively charged

c)

Neutrally charged

d)

No Charge was observed.

27.

The solid sphere model was developed

a)

through a dream and a "greater power" speaking to Dalton

b)

because Dalton copied Aristotle's ideas of the four elements (earth, wind, fire, & water) as his own

c)

by Dalton experimenting with different substances and gasses and noticing patterns

d)

because no one could come up with a better idea.

28.

The image shows the

a)

Solid Sphere Model

b)

Plum Pudding Model

c)

Planetary Model

d)

Bohr Model

e)

Electron Cloud Model

29.

The image shows the

a)

Solid Sphere Model

b)

Plum Pudding Model

c)

Planetary Model

d)

Bohr Model

e)

Electron Cloud Model

30.

The image shows the

a)

Solid Sphere Model

b)

Plum Pudding Model

c)

Rutherford Model

d)

Bohr Model

31.

The image shows the

a)

Solid Sphere Model

b)

Plum Pudding Model

c)

Bohr Model

d)

Electron Cloud Model

32.

The image shows the

a)

Solid Sphere Model

b)

Plum Pudding Model

c)

Planetary Model

d)

Bohr Model

e)

Quantum Theory Model