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2021 CH04&05 Physical Science-LANE

Total questions: 48

Worksheet time: 29mins

Name
Class
Date
1.
The ________________________, is the sum of the protons and neutrons in the nucleus of an atom.
a)
Average atomic mass
b)
Atomic Number
c)
atomic weight
d)
mass number
2.
The electrons found in the last energy level are called the _____ electrons
a)
core 
b)
Extra
c)
main-group electrons
d)
valence 
3.
In the electron cloud, there are a total of _____ energy levels
a)
4
b)
7
c)
2
d)
8
4.
Calculate the number of neutrons in the isotope Lead-207.
a)
207
b)
83
c)
82
d)
125
5.

How many protons are found an atom of Manganese(Mn)?

a)

28

b)

25

c)

36

d)

24

6.

How many electrons are found in an atom of Zirconium(Zr)?

a)

40

b)

41

c)

39

d)

36

7.

What is the atomic weight of an Iodine atom?

a)

26.98 amu

b)

28.34 amu

c)

31.45 amu

d)

126.90447 amu

8.

What is the a atomic weight of an Aluminum atom?

a)

26.98 amu

b)

28.34 amu

c)

31.45 amu

d)

127.76 amu

9.
Using the isotope on the Periodic Table of Elements, determine the mass number for a Gold atom.
a)
79
b)
145
c)
183
d)
197
10.
Mendeleev arranged his periodic table of elements using the ____ ____ of the elements and their properties
a)
Atomic number
b)
Atomic weight
c)
Cool names
d)
Appearance 
11.

Name the main group element that is in group fifteen and period six.

a)

Barium

b)

Bismuth

c)

Niobium

d)

Antimony

12.
All of the following are true of Dalton's Atomic Theory, EXCEPT: 
a)
Atoms of  the same elements are identical to one another
b)
All matter is composed of atoms that are invisible
c)
Atoms of different kinds combine in certain proportions to make compounds
d)
In a chemical reaction, the atoms are simply rearranged
13.
Name the main group element found in group 14 and period 5.
a)
Argon
b)
Tin
c)
Lead
d)
Germanium 
14.
The subatomic particle found outside the nucleus of the atom is the:
a)
Neutron
b)
Electron
c)
proton
d)
both protons and electrons
15.
All Alkaline Earth Metals have a total number of _____ valence electrons
a)
12
b)
5
c)
6
d)
2
16.
The Scientist that discovered the electron is:
a)
Rutherford
b)
Einstein 
c)
Democritus
d)
JJ Thomson
17.
The subatomic particle that makes the atom unique is the:
a)
neutron
b)
proton
c)
electron
d)
alpha particle
18.
The elements found in group 1 are the:
a)
Halogens 
b)
Alkali Metals
c)
Alkaline Earth Metals
d)
Noble Gases
19.
What scientist was responsible for the planetary model of the atom? 
a)
Rutherford
b)
Scrodinger
c)
Bohr
d)
Democritus
20.
When an electron falls back to it's original energy level it will emit different colors of:
a)
Microwaves
b)
Gamma Rays
c)
Visible light
d)
Radiowaves
21.

The philosopher who coined the term "atom" was:

a)

Schrodinger

b)

Bohr

c)

JJ Thompson

d)

Democritus

22.
How many neutrons does an isotope of Barium-137 have?
a)
137
b)
56
c)
193
d)
81
23.

The scientist responsible for discovering the atom is mostly empty space is:

a)

John Dalton

b)

Ernest Rutherford

c)

Niels Bohr

d)

Erwin Schrodinger

24.

An atom is stable if it has _______ electrons in the last energy level.

a)

8

b)

5

c)

16

d)

4

25.
The isotopes Boron-10 and Boron-11 will have the same number of protons but a different number of:
a)
 electrons
b)
 protons
c)
neutrons
d)
none of the above
26.

______ used the gold foil experiment to discover the positive charge in the nucleus.

a)

Ernst Rutherford

b)

JJ Thompson

c)

John Dalton

d)

James Chadwick

27.
The atomic number represents ___________ in an atom's nucleus
a)
the number of Neutrons 
b)
the number of protons
c)
the number of Electrons
d)
the number of protons and neutrons combined
28.
The subatomic particles that have the most mass are:
a)
the electron and proton
b)
the electron and the neutron
c)
the nucleus and the electron cloud
d)
the neutron and proton
29.

Energy level three in the electron cloud will hold a total of _____ electrons.

a)

32

b)

18

c)

8

d)

2

30.

The unit used to label atomic weight is:

a)

Grams

b)

Kilograms

c)

Atomic nucleus units

d)

Atomic mass units

31.

Which type of elements on the periodic table are solids, liquids, and gases at room temperature?

a)

Alkali Metals

b)

Non-metals

c)

Alkaline Earth metals

d)

metalloids

32.
Name the energy level in the electron cloud that can hold a total of 18 electrons.
a)
Level 1
b)
Level 2
c)
Level 3 
d)
Level 4
33.
All of the following are non-metals EXCEPT: 
a)
Hydrogen
b)
Argon
c)
Silicon
d)
Iodine
34.
All of the following are chemical and physical properties of metals EXCEPT:
a)
Poor conductors
b)
Malleable
c)
Gives away electrons
d)
Ductile
35.
Democritus thought matter was composed of tiny particles called atoms, and these atoms were: 
a)
made of of earth, fire, and water
b)
able to be divided
c)
not able to be divided
d)
made of protons and neutrons and electrons
36.
All of the following are metalloids EXCEPT: 
a)
Phosphorous
b)
Boron
c)
Antimony
d)
Tellurium
37.
The subatomic particle with a negative charge is:
a)
electron
b)
alpha particle
c)
neutron
d)
proton
38.

All of the following are true of group 17 elements EXCEPT:

a)

they're known as the halogens

b)

they have 7 valence electrons

c)

they have 17 valence electrons

d)

they are all non-metals

39.
The group of elements on the periodic table that already have a full outer energy level of electrons are the ____   ____
a)
Halogens
b)
Alkaline Earth Metals
c)
Noble Gases
d)
Transition Metals
40.

There is a total of ________ atoms in Ca3(PO4)2

a)

10

b)

12

c)

6

d)

13

41.
All of the following elements (Chlorine, Bromine, Iodine) have ____ valence electrons
a)
6
b)
7
c)
8
d)
9
42.
The elements found between group 3-12 are called the ________.
a)
Alkaline Earth Metals
b)
Transition Metals
c)
Noble Gases
d)
Halogens
43.

If you drew a Bohr diagram for Aluminum there would be a total of ______ electrons on the first ring, ______electrons on the second ring, and ________ electrons on the third ring.

a)

1,7,3

b)

8,18,32

c)

2,8.3

d)

2,6,3

44.
The elements found in groups 1-2, 13-18 are known as:
a)
The Noble gases
b)
Alkali metals
c)
Transition Metals
d)
main group elements
45.

_____________ is known as the father of the Periodic Table of Elements

a)

H. Mosley

b)

D. Mendeleev

c)

J.W. Dobereiner

d)

L. Meyer

46.

The modern Periodic Table of Elements is arranged in groups and periods according to:

a)

atomic weight and properties

b)

atomic number and properties

c)

number of neutrons of each element

d)

atomic mass units and grams

47.

_____________ published his periodic table of elements in 1869.

a)

H. Mosley

b)

D. Mendeleev

c)

J.W. Dobereiner

d)

L. Meyer

48.

All of the following are examples of Lewis Dot Diagrams, EXCEPT:

a)
b)
c)
d)

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