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Year 9 Chemistry Quiz 1

Total questions: 51

Worksheet time: 27mins

Name
Class
Date
1.
When an atom loses a valence electron, it becomes a(n) _____________ ion.
a)
positive
b)
negative
c)
neutral
d)
polyatomic
2.
Where are metals located on the periodic table?
a)
Blue
b)
Green
c)
Red
3.
Where are the nonmetals located on the periodic table? 
a)
Blue
b)
Red
c)
Green
4.
What is the atomic number of this atom?
a)
1
b)
3
c)
4
d)
7
5.
What is the mass number of this atom?
a)
4
b)
5
c)
9
d)
none of the above
6.
What is the atomic number of this atom?
a)
9
b)
10
c)
19
d)
27
7.
Most of the mass in an atom is made up of _____________________?
a)
protons and electrons
b)
protons and neutrons
c)
neutrons and electrons
d)
electrons and quarks
8.
What is the atomic number of Nickel?
a)
110
b)
28
c)
46
d)
78
9.
Atoms of the same element which have a different number of neutrons are called _________________.
a)
ions
b)
isotopes
c)
quarks
d)
molecules
10.
Which subatomic particle has a negative charge in the atom?
a)
proton
b)
neutron
c)
electron
d)
quark
11.
What is the electrical charge of a proton?
a)
1+
b)
1-
c)
neutral
d)
2-
12.
an element has nucleon number 12 and atomic number  6. the number of neutrons in it is:
a)
6
b)
10
c)
4
d)
8
13.
In a correctly written symbol what would be located in the "A" position?
a)
number of neutrons
b)
atomic number
c)
number of electrons 
d)
mass number
14.
How many neutrons does the isotope of lithium have?
a)
8
b)
3
c)
4
d)
5
15.
How many protons does this isotope of titanium have?
a)
48
b)
22
c)
26
d)
70
16.
Changing the number of electrons in an atom changes its...
a)
element type.
b)
charge.
c)
isotope type.
d)
atom type.
17.
How many electrons can the first energy level hold?
a)
1
b)
2
c)
8
d)
0
18.
Why does K become positive when it bonds to Cl to form KCl?
a)
Because it loses an electron to have a full valence shell 
b)
Because it gains an electron to have 2 valence electrons
c)
Because it loses an electron to become negatively charged
d)
Because Cl gives away its 7 electrons to Na to form an equal charge 
19.

Pure substances that are composed of two or more types of elements that are chemically combined

a)

compounds

b)

elements

c)

product

d)

reactant

20.

Pure substances that are composed of two or more types of elements that are chemically combined

a)

compounds

b)

elements

c)

product

d)

reactant

21.

Pure substances that cannot be changed into similar substances, composed of only one kind of atom (ex. O2, C, Na, and Cl2)

a)

compounds

b)

coefficient

c)

elements

d)

product

22.

all matter is made of what

a)

energy

b)

atoms

c)

electrons

d)

compounds

23.

The smallest particle of any particular type of matter is known by which of the following terms?

a)

Compound

b)

Atom

c)

Chemical

d)

Element

24.
Oxygen is an example of 
a)
an element.
b)
a compound.
c)
a substance.
d)
a mixture.
25.

Which of the following is an example of a compound?

a)

methane

b)

hydrogen gas

c)

boron metal

d)

apple juice

26.

Which is the best definition for molecules?

a)

a group of two or more different atoms bonded together

b)

the smallest particles of matter

c)

a group of atoms bonded together

d)

small things made from atoms

27.

Is air a compound or a mixture?

a)

Mixture

b)

Compound

c)

Neither

d)

It is a compound and a mixture

28.
All of these are examples of elements EXCEPT-
a)
Helium
b)
Carbon
c)
Water
d)
Sodium
29.
Is the image shown a mixture or a compound?
a)
Compound
b)
Mixture
30.
Which is a compound in the image?
a)
A
b)
B
c)
C
d)
E
31.

Joe sees salt on the counter. He knows that Salt is also called sodium chloride. What is the salt?

a)

Compound

b)

Mixture

c)

Atom

d)

Element

32.

Baking soda is a compound with the formula NaHCO3. How many atoms are in one molecule of baking soda?

a)

4

b)

5

c)

6

d)

7

33.

Baking soda is a compound with the formula NaHCO3. How many elements are in the compound?

a)

4

b)

5

c)

6

d)

7

34.

Vinegar (or ethanoic acid) is a compound with the formula CH3COOH. How many elements are in the compound?

a)

3

b)

4

c)

5

d)

6

35.

Vinegar (or ethanoic acid) is a compound with the formula CH3COOH. How many atoms are in the compound?

a)

5

b)

6

c)

7

d)

8

36.

Changing the number of protons in an atom changes the ...

a)
element type.
b)
charge.
c)
isotope type.
d)
atom type.
37.

Changing the number of neutrons in an atom changes the ...

a)
element type.
b)
charge.
c)
isotope type.
d)
atom type.
38.
The horizontal row on the periodic table is called a
a)
group
b)
family
c)
period
d)
atomic number
39.
A vertical column is called...
a)
group
b)
tower
c)
period
d)
crew
40.

Which statement best describes the arrangement of elements in the periodic table?

a)

Elements are arranged in decreasing atomic mass from left to right.

b)

Elements are arranged in decreasing atomic number from left to right.

c)

Elements are arranged in increasing atomic number from left to right

d)

Elements are arranged in increasing number of neutrons from left to right.

41.

Which pair of elements has the most similar properties?

a)

Be and B

b)

O and S

c)

H and Hg

d)

Na and F

42.

______________ refers to the way a metal can be hammered or rolled into thin sheets.

a)

Luster

b)

Malleable

c)

Metalloids

d)

Solid

43.

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

a)
b)
c)
d)
44.

Name this group: These metals are the most reactive.

a)
b)
c)
d)
45.

Elements in group 1 have _ valence electron(s).

a)

1

b)

2

c)

3

d)

4

46.

Which of the following is an alkaline earth metal?

a)

Ti

b)

Mg

c)

O

d)

He

47.

Which of the following is an alkali metal?

a)

Ti

b)

K

c)

O

d)

He

48.

Oxygen has an atomic number of 8. What will happen to it when it forms an ION in a chemical retraction.

a)

Gain 2 electrons and a charge of 2-

b)

Lose 2 electrons and a charge of 2+

c)

Gain 1 electron and a charge of 1-

d)

Lose 1 electron and a charge of 1+

49.

name everyone in age or oldest to youngest

a)

Marge, Lisa , Homer, Maggie, Bart

b)

Marge, Homer, Bart, Lisa, Maggie

c)

Maggie, Lisa, Bart, Homer, Marge

50.

This stickman has no arms. What is his name?

a)

Bill

b)

Bob

c)

Hudson

d)

Carter

51.

A Magnesium atom/ion has 12 protons, 13 neutrons and 10 electrons. what is its charge?

a)

$2

b)

+2

c)

-2

d)

0 (neutral)

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