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Module 2 Atomic Theory

Total questions: 50

Worksheet time: 29mins

Name
Class
Date
1.

What did Rutherford discover in his experiment?

a)

nucleus

b)

electrons

c)

neutrons

d)

protons

2.

In which model are atoms imagined as tiny balls?

a)

Dalton

b)

Thomson

c)

Rutherford

d)

Bohr

3.

Who proposed a model with electrons moving in specific layers?

a)

Dalton

b)

Rutherford

c)

Bohr

d)

Thomson

4.

What did Thomson's atomic theory model look like?

a)

A ring with gold foil in the middle.

b)

Electrons orbiting the nucleus like the planets around the sun.

c)

A cloud of electrons floating around the nucleus.

d)

A scoop of chocolate chip ice cream. It had electrons scattered within a ball of positive charge.

5.

What is the mass of a proton?

a)

1840 amus

b)

1 amu

c)

1/1840 amus

d)

It has no mass.

6.

What is a particle with no charge?

a)

neutron

b)

electron

c)

proton

d)

atom

7.

What is a negatively charged particle?

a)

neutron

b)

electron

c)

proton

d)

atom

8.

What two particles would you find in the nucleus of an atom?

a)

Protons and electrons

b)

Neutrons and electrons

c)

Protons and neutrons

d)

Electrons and negatrons

9.

Who first came up with the idea of an atom and called them "atomos"?

a)

o Democritus

b)

o Thomson

c)

o Rutherford

d)

o Bohr

10.
What scientist is best known for his "Plum Pudding" model of the atom?
a)
J.J. Tomson
b)
Ernest Rutherford
c)
John Dalton
d)
Democritus
11.
What did James Chadwick discover?
a)
neutrons
b)
electrons
c)
the atomic theory
d)
protons
12.

How many protons are in all atoms of Sodium?

a)

11

b)

22

c)

12

d)

33

13.

How many electrons are in a neutral atom of Aluminum?

a)

40

b)

27

c)

13

d)

14

14.

How many neutrons are in the average atom of Magnesium?

a)

36

b)

12

c)

24

d)

6

15.

How many electrons are in a neutral Sulfur atom?

a)

32

b)

16

c)

48

d)

8

16.

How many protons are in Chlorine?

a)

35

b)

18

c)

17

d)

52

17.

How many neutrons are in an average atom of Argon?

a)

18

b)

40

c)

58

d)

22

18.

How many neutrons would Iron-55 have?

a)
56
b)
26
c)
30
d)
33
19.
How many neutrons does the isotope below have?     89 36Kr
a)
53
b)
36
c)
89
d)
125
20.
What is the name of the pictured isotope?
a)
Copper-29
b)
Copper-63
c)
Copper-34
d)

Copper-92

21.
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
22.
How many neutrons does the isotope of lithium have?
a)
8
b)
3
c)
5
23.
If a sulfur atom has 16 protons, 16 electrons, and 16 neutrons, its atomic mass is:
a)
16
b)
32
c)
48
24.
How many protons does this isotope of titanium have?
a)
48
b)
22
c)
26
25.

What are the building blocks of matter?

a)

Atoms

b)

Protons

c)

Cells

d)

Neutrons

26.

What charge does an atom have when it GAINS electrons?

a)

Positive

b)

Negative

c)

Neutral

27.

What subatomic particle changes in an ion?

a)

The number of electrons

b)

The number of protons

c)

The number of neutrons

28.

If an atom gains electrons, the charge will be positive.

a)

true

b)

false

29.

Cations are...

a)

Positive

b)

Negative

c)

Neutral

30.

Anions are...

a)

Positive

b)

Negative

c)

Neutral

31.

I am shiny and a good conductor of heat.

a)

metals

b)

nonmetals

c)

metalloids

32.

I am dull... Which element am I?

a)

metals

b)

nonmetals

c)

metalloids

33.

I am a bad conductor of electricity and heat.

a)

metals

b)

nonmetals

c)

metalloids

34.

I am a good conductor of electricity and am malleable.

a)

metals

b)

nonmetals

c)

metalloids

35.

I can be found on the stair-step line on The Periodic Table of Elements.

a)

metals

b)

nonmetals

c)

metalloids

36.

I can be found to the right of the stair-step line on The Periodic Table of Elements.

a)

metals

b)

nonmetals

c)

metalloids

37.

I can be found to the left of the stair-step line on The Periodic Table of Elements.

a)

metals

b)

nonmetals

c)

metalloids

38.

I have properties of both metals and nonmetals.

a)

metals

b)

nonmetals

c)

metalloids

39.
a)

Metal

b)

Nonmetal

c)

Metalloid

40.
a)

Metal

b)

Nonmetal

c)

Metalloid

41.
a)

Metal

b)

Nonmetal

c)

Metalloid

42.
a)

Metal

b)

Nonmetal

c)

Metalloid

43.
a)

Metal

b)

Nonmetal

c)

Metalloid

44.

The vertical (up and down) columns in the Periodic Table are called

a)

groups

b)

towers

c)

periods

d)

atomic numbers

45.
Which group of the periodic table is composed of inert (not reactive)  gases?
a)
alkali metals
b)
alkaline earth metals
c)
halogens
d)
noble gases
46.
Which is an alkali metal?
a)
Magnesium
b)
Iron
c)
Sodium
d)
Europium
47.
Which is a halogen?
a)
Helium
b)
Chlorine
c)
Oxygen
d)
Neptune
48.
Elements in a ..................have similar chemical properties.  
a)
period
b)
group
c)
row
49.

Name this group: These metals are the second most reactive.

a)
b)
c)
d)
50.

Name this group: These metals contain familiar metals such as gold, iron, and copper.

a)
b)
c)
d)

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