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**>75 only **HSAA Report Card 2 Extended Project

Total questions: 72

Worksheet time: 1hrs 12mins

Name
Class
Date
1.

The smallest piece of an element:

a)

quark

b)

electron

c)

shell

d)

atom

2.

The cloud-like space that electrons travel around:

a)

nucleus

b)

shell

c)

neutrons

d)

Oort cloud

3.

Protons and neutrons are found in the center of the atom called the:

a)

nucleus

b)

neutron

c)

shell

d)

cell

4.

Classification system for elements is called:

a)

Elements

b)

Periods

c)

The Periodic Table of Elements

d)

Families

5.

The subatomic particles are called:

a)

protons, nucleus and electrons

b)

protons, electrons and neutrons

c)

protons, positives and negatives

d)

cloud, shell and quarks

6.

Electrons have a _____ charge.

a)

neutral

b)

negative

c)

positive

d)

both positive and negative

7.

The abbreviation for an element:

a)

element name

b)

atomic number

c)

chemical symbol

d)

atomic symbol

8.

What is the sum of an atom's protons and neutrons called?

a)

atom

b)

atomic theory

c)

atomic mass

d)

atomic number

9.

The columns on the periodic table that are color coded and describe the number of electrons in the outer shell of the atomic structure of the element:

a)

families

b)

groups

c)

periods

10.

The rows or periods on the periodic table describe:

a)

the same number of outer electrons

b)

the same number of shells

c)

the same number of protons

d)

the same mass

11.

The _____ is based on the number of protons in the nucleus of the atom.

a)

atomic structure

b)

periodic table of the elements

c)

atomic number

d)

atomic mass

12.

What subatomic particle is represented by this symbol (+):

a)

neutron

b)

proton

c)

electron

13.

All matter is made of _____.

a)

light

b)

energy

c)

cells

d)

atoms

14.
What is the number of protons that the element in this image contain?
a)
14
b)
7
c)
15
d)
18
15.

Using the periodic table. What Element has the Atomic number of 8?

a)

Hydrogen

b)

Helium

c)

Oxygen

d)

Neon

16.

The vertical columns of the periodic table are called...

a)

Periods

b)

Families

c)

Chemical Symbols

d)

Groups

17.

The periodic table is organized in horizontal rows called...

a)

Groups

b)

Periods

c)

Families

d)

Chemical Symbols

18.

What is a period?

a)

Number of valence electrons

b)

Orbital levels/energy levels

c)

elements with similar properties

d)

Number of elements

19.

How many valence electrons does sulfur have?

a)

16

b)

6

c)

32

d)

15

20.

Which of the following pairs of elements belong to the same group?

a)

H and He

b)

Li and Be

c)

C and Pb

d)

Ga and Ge

21.
What is the atomic number of the atom pictured? 
a)
9
b)
10
c)
18
d)
19
22.

How many valence electrons does Hydrogen Have?

a)

1 Valence electron

b)

2 Valence electron

c)

3 Valence electron

d)

4 Valence electron

e)

5 Valence electron

23.

How many valence electrons does carbon have?

a)

4

b)

5

c)

6

d)

7

24.

Valence electrons are in the...

a)

Innermost energy level of the atom.

b)

Middle energy level of the atom.

c)

Outermost energy level of the atom.

d)

energy levels of the atom.

25.

How many atoms of sulfur are in each molecule of H2SO4?

a)

1

b)

4

c)

2

d)

7

26.

Which elements are in the formula shown above?

a)

Tin and Chlorine

b)

Tin, Carbon and Lithium

c)

Sulfur, Nitrogen and Chlorine

d)

Sulfur, Nitrogen, Carbon and Lithium

27.

Which elements are in the formula shown above?

a)

Cobalt only

b)

Carbon and Oxygen

c)

Copper only

d)

Carbon and Osmium

28.

How many different elements are in an amino acid with the formula C5H11NO2S?

a)

5

b)

20

c)

18

d)

4

29.

How many atoms of carbon are in the formula CH3CH2CH2OH?

a)

3

b)

1

c)

7

d)

4

30.

Which of the following chemical formulas contains exactly 4 hydrogen atoms?

a)

CH3COONa

b)

NH4OH

c)

CH3CH2Cl

d)

CH3CHO

31.

Which of the following is correct?

a)

reactants <-- products

b)

reactants + products

c)

reactants --> products

d)

reactants = products

32.

Which of the following equations follows the Law of Conservation of Mass?

a)

2Fe + 3O2 --> Fe2O3

b)

H2 + O2 --> 2OH

c)

2Mg + Cl --> MgCl2

d)

CH4 + 3O2 --> 2CO2 + 2H2O

33.
6CO2 contains
a)
6 carbon atoms, 2 oxygen atoms
b)
12 carbon atoms, 12 oxygen atoms
c)
6 carbon atoms, 12 oxygen atoms
d)
12 carbon atoms, 6 oxygen atoms
34.

The large numbers before a chemical formula that are used as multipliers are known as __________________.

a)

element symbols

b)

exponents

c)

coefficients

d)

subscripts

35.

The small numbers under and to the right of element symbols in a formula are called _________________.

a)

element symbols

b)

exponents

c)

coefficients

d)

subscripts

36.

Reactants are found on the _______________ side of the arrow in a chemical equation.

a)

Right

b)

Left

37.

What is the coefficient in the formula?

a)

2

b)

N

c)

H

d)

3

38.
The blue numbers in the image below represent ________
a)
I don't know, and don't want to try
b)
coefficients
c)
subscripts
d)
none of the answers are correct
39.

When substances interact to form one or more new substances with different properties that the original substance.

a)

chemical formula

b)

coefficient

c)

chemical reaction

d)

physical change

40.

Matter is not created nor destroyed, only changed. The number of atoms in the reactants must equal the number of atoms in the product.

a)

chemical formula

b)

chemical equation

c)

law of conservation of mass

d)

precipitate

41.

How many Hydrogen atoms are in 4H2O?

a)

6

b)

8

c)

2

d)

4

42.

How many Magnesium atoms are in 10MgCl2?

a)

10

b)

5

c)

20

43.

How many Nitrogen atoms are in (NH₄)₂CrO₄?

a)

1

b)

2

c)

8

d)

16

44.

How many Nitrogen atoms are in the in H2C3O4N5?

a)

2

b)

3

c)

4

d)

5

45.

How many elements are present in this compound? (Careful!)

Mg2As3COHNi2

a)

2

b)

4

c)

6

d)

10

46.

Are there any compounds on the periodic table?

a)

yes there are many

b)

no because only elements are on the periodic table

c)

I think they are?

d)

there is no way to tell

47.
A series of steps used by scientists to solve a problem or answer a question. 
a)
scientific method
b)
recipe
c)
data collection
d)
metric system
48.
This variable in an experiment is the one being changed by the scientist. 
a)
dependent variable
b)
independent variable
c)
data
d)
control group
49.
This variable in an experiment is the one being changed by the scientist. 
a)
dependent variable
b)
independent variable
c)
data
d)
control group
50.
The name of the information that you get from your experiment (you organize it into charts and graphs).
a)
observations
conclusion
b)
data
c)
variables
d)
hypothesis
51.

What is an observation?

a)

A scientific statement based on ideas

b)

Using your senses to notice what is going on around you

c)

To be unaware of your surroundings

d)

The question that you want an answer to.

52.
Which is NOT a step in the scientific method?
a)
Make observation
b)
Form a theory
c)
Collect data
d)
Form a hypothesis
53.
This step of the scientific method is an educated guess or a prediction. 
a)
Hypothesis
b)
Research
c)
Observation
d)
Conclusion
54.

What is the net force?

a)

3 N

b)

3 N, right

c)

17 N, right

d)

3 N, left

55.
What is the net force?
a)
20 N 
b)
0 N 
c)
400 N 
d)
40 N 
56.

What is the unit to MEASURE force?

a)

Kilogram

b)

Meter

c)

Pounds

d)

Newton

57.

A ____________ is a push or a pull on an object.

a)

friction

b)

force

c)

magnet

d)

gravity

58.
If these teams are pulling with the same amount of force what will happen?
a)
The boy in blue will win.
b)
They will not move at all.
c)
The boy in red will win.
d)
Both will fall down.
59.
Balanced or unbalanced?
a)
balanced
b)
unbalanced
60.

Forces that have a net force of zero Newtons

a)

Balanced force

b)

Unbalanced force

61.
What will cause an object to move?
a)
Applied forces
b)
Balanced forces
c)
Unbalanced forces
62.
Calculate the Net Force. 
a)
60N, Left 
b)
40N, Right 
c)
0N
d)
60N, Right
63.
What is a Force?
a)
The distance
b)
Mass
c)
A push or pull
d)
Give me a  failing grade 
64.
This type of force resist motion between two surfaces that are pressed together
a)
contact
b)
gravity
c)
friction
65.

If both forces are going in the same direction you should______ those forces

a)

Add

b)

Subtract

c)

Divide

d)

Multiply

66.

When forces are going in the opposite direction of each other you should do what do find the net force

a)

Subtract

b)

Add

c)

Divide

d)

Multiply

67.
Which direction will the object move?
a)
Up
b)
Down
c)
Right
d)
Left
68.
What is the net force of this object?
a)
0N
b)
50N
c)
25N
d)
5N
69.
If a 10 kilogram object accelerates suddenly at 15 m/s^2, how much force was applied to the object?
a)
150 Newtons
b)
15 Newtons
c)
150 kilograms
d)
100 kilograms
70.
If a force of 50 Newton's was applied to an object with a mass of 500 grams, what will the object's acceleration be?
a)
10 m/s^2
b)
.1 m/s^2
c)
100 m/s^2
d)
1 m/s^2
71.

If an object is pushed with a force of 20N and moves with an acceleration of 2.0 m/s^2, what is the object's mass?

a)

10 kg

b)

40 kg

c)

20 kg

d)

0.1 kg

72.

Calculate the net force.

a)

0 N

b)

5 N

c)

25 N

d)

15 N

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