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Atoms, Elements, and Compounds Review

Total questions: 40

Worksheet time: 16mins

Name
Class
Date
1.

Match the element name with its element symbol.

a)

sodium

1.

Na

b)

potassium

2.

K

c)

lead

3.

Pb

d)

iron

4.

Fe

e)

sulfur

5.

S

2.

Match the element name with its element symbol.

a)

silver

1.

Ag

b)

gold

2.

Au

c)

copper

3.

Cu

d)

magnesium

4.

Mg

e)

manganese

5.

Mn

3.

Match the element name with its element symbol.

a)

oxygen

1.

O

b)

lithium

2.

Li

c)

fluorine

3.

F

d)

boron

4.

B

e)

beryllium

5.

Be

4.

What is the symbol for lead?

(a)  

5.

What is the symbol for iron?

(a)  

6.

What is the symbol for sodium?

(a)  

7.

What element has the symbol Au?

(a)  

8.

What element has the symbol Ag?

(a)  

9.

What is the chemical symbol for potassium?

a)
P
b)
Ka
c)
K
d)
Pt
10.

What is the chemical symbol for boron?

a)
B
b)
Be
c)
Bo
d)
Br
11.

What is the chemical symbol for nickel?

a)
N
b)
Ni
c)
Nc
d)
Nl
12.

What is the chemical symbol for tin?

a)

Ti

b)

Tn

c)

Sn

d)

Si

13.

What is the chemical symbol for zinc?

a)

Zn

b)

Z

c)

Zi

d)

Zc

14.

What is the chemical symbol for platinum?

a)

Pt

b)

P

c)

Pb

d)

Pu

15.

What is the chemical symbol for strontium?

a)

St

b)

Sr

c)

S

d)

Sm

16.

What is the chemical symbol for argon?

a)

Ar

b)

Am

c)

Al

d)

Sb

17.

What is the chemical symbol for calcium?

a)

C

b)

Cl

c)

Ca

d)

Cd

18.

What is the chemical symbol for aluminum?

a)

Ar

b)

Am

c)

Al

d)

Sb

19.

What is the chemical symbol for helium?

a)

H

b)

He

c)

Fe

d)

Hm

20.

Identify the following elements as metals or nonmetals.

Categorize the following

sodium

iron
copper
gold
silver
aluminum
nickel
platinum
oxygen
nitrogen
hydrogen
carbon
sulfur
phosphorus
fluorine
chlorine
METALS
NONMETALS
21.
Which of the following determines the identity of an element?
a)
atomic number 
b)
mass number
c)
atomic mass
d)
overall charge
22.

What is the atomic number of an element?

a)

The number of protons in the nucleus

b)

The number of neutrons in the nucleus

c)

The total number of protons and neutrons in the nucleus

d)

The total number of protons and electrons in an atom

23.

In the periodic table, elements are arranged in order of increasing:

a)

Atomic mass

b)

Atomic number

c)

Number of neutrons

d)

Electronegativity

24.

Which of the following elements is a halogen?

a)

Helium

b)

Carbon

c)

Fluorine

d)

Sodium

25.

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

a)

nonmetals

b)

left

c)

right

d)

metals

26.

The most pure substances that can be found, made of only one type of atom

a)

elements

b)

atoms

c)

molecules

d)

compounds

27.

Two or more elements chemically combined together are called a

a)

Element

b)

Compound

c)

Mixture

d)

Solution

28.

CaCl2 is an example of a _____.

a)

compound

b)

element

29.
Cobalt (Co) has 27 protons in each atom. Based on this information, which of the following also describes an atom of Cobalt?
a)
It has no neutrons.
b)
It has 27 electrons.
c)
It has 13 neutrons and 14 electrons.
d)
It has a total of 86 neutrons and electrons.
30.
Which of the following identifies the number and location of protons in a Sulfur atom (S)?
a)
32 protons, located in the nucleus
b)
16 protons, located in the nucleus
c)
32 protons, located outside the nucleus
d)
16 protons, located outside the nucleus
31.
An element with an atomic number of 37 and an atomic mass of 85 has how many neutrons in each atom?
a)
37
b)
48
c)
85
d)
122
32.
What makes an atom have a positive charge?
a)
more electrons than protons
b)
more neutrons than electrons
c)
more protons than electrons
d)
less protons than electrons
33.
How many protons and neutrons are there in an atom of Gallium (Ga)?
a)
31 protons and 31 neutrons
b)
31 protons and 70 neutrons
c)
31 protons and 39 neutrons
d)
31 protons and 101 neutrons
34.
What kind of charge do neutrons have?
a)
positive 
b)
negative
c)
neutral
d)
-3
35.
All atoms of an element have the same number of _____________.
a)
neutrons
b)
electrons
c)
protons
d)
atomic mass
36.
How do you find the number of neutrons in an atom?
a)
It is also the atomic number
b)
It is also the atomic mass
c)
Add the atomic mass and the atomic number
d)
Subtract the atomic number from the atomic mass
37.

If the number of protons equals the number of electrons in the atom the electrical charge is _____.

a)

negative

b)

positive

c)

nucleus

d)

neutral

38.

The positive particles of an atom are ___________.

a)

electrons

b)

protons

c)

neutrons

39.
An atom is made up of protons, neutrons, and electrons.  Which is the smallest subatomic particle?
a)
Proton
b)
Neutron
c)
Electron
d)
Idontknowatron
40.

Which of the following is the best description of an element?

a)

A substance that cannot be broken down into simpler substances.

b)

A naturally occurring mineral made of more than one substance.

c)

A small particle made with a specific chemical composition.

d)

A collection of atoms that have different abilities when joined together.

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