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Worksheets

Thursday 9/1/22

Total questions: 50

Worksheet time: 2hrs 37mins

Name
Class
Date
1.

What does the C represent?

a)

atomic mass

b)

atomic number

c)

element name

d)

chemical symbol

2.

What does the 6 represent?

a)

atomic mass

b)

atomic number

c)

element name

d)

chemical symbol

3.

What does 12.011 represent?

a)

atomic mass

b)

atomic number

c)

element name

d)

chemical symbol

4.

The Modern Periodic Table of Elements is arranged by

a)

atomic mass

b)

atomic number

c)

valence electrons

d)

number of isotopes

5.

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

a)

groups

b)

towers

c)

periods

d)

atomic numbers

6.

Which group of the periodic table is composed of inert (not reactive) gases?

answer choices

a)

alkali metals

b)

alkaline earth metals

c)

halogens

d)

noble gases

7.

Which is an alkali metal?

a)

Magnesium

b)

Iron

c)

Sodium

d)

Europium

8.

Which is a halogen?

a)

Helium

b)

Chlorine

c)

Oxygen

d)

Neptune

9.

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

a)
b)
c)
d)
10.

Locate Lanthanides and Actinides.

a)
b)
c)
d)
11.

I am a nonmetal

I am in period 2

I am in group 16/6A

a)

Ba

b)

Si

c)

O

d)

S

12.

I am a metal

I am in group 2

I am in period 6

I am…

a)

Mo

b)

Re

c)

S

d)

Ba

13.
The atoms along the staircase are called 
a)
metals
b)
nonmetals
c)
metalloids
d)
noble gases
14.
How many protons are in this element?
a)
79
b)
196
c)
117
d)
Cannot be determined
15.
What's a valence electron?
a)
electrons in the second energy level
b)
electrons in the outermost energy level
c)
the atomic number
d)
electrons in the first level
16.
Most of the elements on the periodic table are classified as _____.
a)
Metals
b)
Nonmetals
c)
Metalloids
d)
Periods
17.
These are found on the Periodic Table.
a)
Compounds
b)
Elements
c)
Mixtures
18.

Metals are found on the ______________ side of the periodic table.

a)

nonmetals

b)

left

c)

right

d)

metals

19.

What is Kr?

a)

Potassium

b)

Krypton

c)

Chlorine

d)

Krapti.

20.

Atomic number of Ga?

a)

31

b)

12

c)

4

d)

45

21.

What charge do protons have?

a)

Positive

b)

Negative

c)

Neutral

22.

What is Atomic Mass Number ?

a)

Number of Protons

b)

Number of Neutrons

c)

Number of Protons and Neutrons

d)

Number of Protons and Electrons

23.

The number of electrons in s neutral atom is equal to the...

a)

Atomic number

b)

Protons

c)

Atomic Mass

d)

Neutrons

24.

Which of the following represents an element?

a)

H2O

b)

HCl

c)

NaCl

d)

Au

e)

CaCO3

25.

Which of the following is an element?

a)

Gold

b)

Air

c)

Water

d)

Carbon Dioxide

e)

Nitrous Oxide

26.
What is the chemical symbol for Potassium?
a)
Po
b)
K
c)
H
d)
P
27.
What is at the center of every atom?
a)
An electron
b)
A compound
c)
A molecule
d)
A nucleus
28.
The positively charged particles of an atom are the ________.
a)
electrons
b)
protons
c)
neutrons
d)
protons & neutrons
29.
The particles with no charge in an atom are the _______.
a)
electrons
b)
neutrons
c)
protons
d)
protons and neutrons
30.
What does the nucleus of an atom contain?
a)
Electrons and neutrons
b)
Protons and neutrons
c)
Neutrinos and positrons
d)
DNA and RN
31.
What is the name of this element?
a)
Helium
b)
Hydrogen
c)
Argon
d)
Silver
32.

What element is represented in this Bohr Model?

a)

Carbon

b)

Hydrogen

c)

Aluminum

d)

Lithium

33.
What is the name of this element?
a)
Lithium
b)
Boron
c)
Carbon
d)
Neon
34.

What is the atomic mass of this atom?

a)
1
b)
3
c)
4
d)
7
35.

What is the atomic number of this atom?

a)
2
b)
4
c)
6
d)
none of the above
36.

Atoms of an element will always have the same number of:

a)

Neutrons

b)

Protons

c)

Ions

d)

Atoms

37.

What is the atomic number of this element?

a)

17

b)

18

c)

35

d)

35.453

38.

How many electrons can fit on the 1st shell (orbital) for any Bohr Model?

a)

2

b)

6

c)

8

d)

10

39.

What is the atomic mass of this atom of chlorine?

a)

17

b)

18

c)

35

d)

35.453

40.

Which element does this Bohr model represent?

a)

Aluminum

b)

Silicon

c)

Magnesium

d)

Cobalt

41.

What is the atomic mass of this atom?

a)

9

b)

10

c)

19

d)

28

42.

Which element has 3 protons?

a)

Hydrogen

b)

Helium

c)

Lithium

d)

Carbon

43.

How many valence electrons does an oxygen atom have?

a)

2

b)

6

c)

8

d)

16

44.

What is the the outermost shell with electrons?

a)

Shells

b)

Isotope

c)

Orbit

d)

Valence

45.

What is the maximum number of electrons that an s orbital can have?

a)

1 electron

b)

2 electrons

c)

3 electrons

d)

4 electrons

46.

How many electrons can the p sublevel hold?

a)
8
b)

6

c)
2
d)
4
47.

Identify the Electron Configuration for Aluminum (Al)

a)

1s2 2s2 2p6 3s2 3p1

b)

1s2 2s2 2p6 3s2 3p3

c)

1s2 2s2 2p6 3s2 4p1

48.

What electron configuration matches an oxygen atom?

a)

1s22s22p63s2, 3p64s23d104p5

b)

1s22s22p4

c)

1s22s22p6

d)

1s22s22p63s23p64s23d1

49.

What atom matches this electron configuration?

1s22s22p63s23p64s23d10

a)

Zinc

b)

Copper

c)

Nickel

d)

Germanium

50.

What element has the electron configuration 

1s22s22p31s^22s^22p^3  

a)

Nitrogen

b)

Oxygen

c)

Magnessium

d)

Carbon

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