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Semester 1 Final

Total questions: 66

Worksheet time: 2hrs 43mins

Name
Class
Date
1.

If a laboratory fire erupts, immediately _________.

a)

Run for the fire extinguisher.

b)

Notify your instructor.

c)

Throw water on the fire.

d)

Open the windows.

2.

The following footwear is required in the lab ________.

a)

Sandals.

b)

Open-toe shoes.

c)

Closed-toe shoes.

d)

Shoes appropriate for the weather.

3.

( Fill in the blank) Long hair should be ____________ in the laboratory.

a)

tied back

b)

cut

c)

down

d)

curled

4.

Approved eye protection devices (such as goggles) are worn in the laboratory

a)

to avoid eye strain

b)

to improve your vision

c)

so that you look super cool

d)

any time chemicals, heat or glassware are used

5.

When is it OK to eat or drink at the lab tables?

a)

Always

b)

Only during group work, not during labs

c)

Never

d)

Whenever I'm hungry

6.

If any hazardous material should be

splashed on the face or eye area...

a)

Goggles

b)

Laboratory Apron

c)

Protective Gloves

d)

Eye Wash Station

7.

...necessary in case of an accidental laboratory fire.

a)

Laboratory Apron

b)

Protective Gloves

c)

Eye Wash Station

d)

Fire Extinguisher

8.
If you break glassware in the lab, you should...
a)
Tell the teacher
b)
Clean it up quickly before the teacher notices
c)
Scream at the top of your lungs
9.

Which is used for large chemical spills on clothing/body?

a)

Eye / Face Wash

b)

Fire Extinguisher

c)

Safety Shower

d)

Chemical Splash Goggles

10.

What are the three states of matter?

a)

solid, liquid, and gas

b)

vapor

c)

condensed

d)

plasma

11.

Which state of matter has the characteristics below?

  • - Definite volume

  • - Takes the shape of its container

  • - Able to flow

  • - Atoms loosely packed

a)

Solid

b)

Gas

c)

Liquid

12.

Which state of matter has the characteristics below?

  • - Definite shape

  • - Definite volume

  • - Atoms packed tightly

a)

Liquid

b)

Solid

c)

Gas

13.

Which state of matter has the characteristics below?

  • - No definite shape or volume

  • - Expands to fill the container

  • - Atoms are well spread out in no special pattern

a)

Gas

b)

Liquid

c)

Solid

14.
What is a homogeneous mixture?
a)
a mixture that is the same throughout.
b)
a mixture that is made up of one type of atom.
c)
a mixture that is made up of one type of compound
d)
a mixture that cannot be separated through physical changes
15.
Kool-Aid
a)
Element
b)
Compound
c)
Homogeneous Mixture
d)
Heterogeneous Mixture
16.
Aluminum
a)
Element
b)
Compound
c)
Homogeneous Mixture
d)
Heterogeneous Mixture
17.
NaCl
a)
Element
b)
Compound
c)
Homogeneous Mixture
d)
Heterogeneous Mixture
18.

What type of mixture is this?

a)

homogenous mixture

b)

chemical

c)

heterogeneous mixture

d)

solid mixture

19.

How many liters are in 34.72 mL?

a)

0.03472 L

b)

34,720 L

c)

3,472 L

d)

0.34720 L

20.

The Olympic record for the high jump is just over 2.6 yards. What is that distance in feet? (1 yd = 3 ft)

a)

0.867 ft

b)

7.8 ft

c)

2.6 ft

d)

93.6 ft

21.

You know that 12 inches = 1 foot. Convert 60 inches to feet.

a)

720 feet

b)

5 feet

c)

5 inches

d)

72 feet

22.

How many miles will a person run during a 10.0 km race? (0.621 mi = 1.00 km)

a)

16.1 mi

b)

6.21 mi

c)

0.0621 mi

d)

6 mi

23.
15.6 L = ___________ mL
a)
15,600
b)
156,000
c)
1,560,000
d)
15,600,000
24.
240 cm = ___________ m
a)
2400
b)
24
c)
2.4
d)
0.24
25.

The atomic number identifies the number of __________.

a)

electrons

b)

atoms

c)

protons

d)

neutrons

26.

Subatomic particles that have a negative charge

a)

electrons

b)

protons

c)

quarks

d)

neutrons

27.

Subatomic particle that has a positive charge

a)

electron

b)

positron

c)

neutron

d)

proton

28.

The center of an atom is called the ________________.

a)

electron cloud

b)

nucleus

c)

neutrion

d)

nuetron

29.

In what part of an atom can the protons and neutrons be found?

a)

nucleus

b)

neutrine

c)

electron cloud

d)

proton cloud

30.
How many neutrons does the isotope of lithium have?
a)
8
b)
3
c)
4
d)
5
31.

How many protons and electrons does this element have?

a)

35

b)

18

c)

17

d)

52

32.

Which element has an atomic # of 13?

a)

Nitrogen

b)

Yttrium

c)

Aluminum

d)

Carbon

33.

Vertical columns on the periodic table are called ___?

a)

groups

b)

periods

c)

rows

d)

families

34.

Horizontal rows on the periodic table are called ___?

a)

groups

b)

periods

c)

rows

d)

families

35.

What group and period does this element belong in? *

a)

period 1 and group 3

b)

period 3 and group 1

c)

period 2 and group 3

d)

period 3 and group 2

36.

Isotopes have the same number of protons but different number of _________________

a)

neutrons

b)

protons

c)

electrons

d)

eyes

37.

______________ electrons are found in the outermost energy level of an atom.

a)

neutral

b)

valence

c)

purple

d)

proton

38.

How many valence electrons does Hydrogen (H) have?

a)

1

b)

2

c)

3

d)

4

39.

How many valence electrons do Group 2 atoms have?

a)

1

b)

2

c)

3

d)

4

40.

Atoms in Group 13 will (a)   3 electrons to form a +3 charge

41.

How many valence electrons does Oxygen (O) contain?

a)

6

b)

5

c)

8

d)

2

42.

What is a negative ion called?

a)

anion

b)

cation

c)

covalent

d)

isotope

43.

Cations are...

a)

Positive

b)

Negative

c)

Neutral

44.

What is the charge of a sodium ion?

a)

+2

b)

+1

c)

-1

d)

-2

45.
An atom becomes _______ when it loses electrons.
a)
Positive
b)
Negative
c)
Neutral
d)
Invinsible
46.

A covalent bond forms when atoms ___________ electrons.

a)

gain

b)

share

c)

increase

d)

transfer

47.

Ionic bonding is between a

a)

nonmetal and nonmetal

b)

metal and nonmetal

c)

metal and metal

d)

Depends on the situation

48.
Which type of bond has an equal sharing of electrons?
a)

Polar

b)

Non Polar

c)
Ionic
d)
Metallic
49.
An ionic bond forms when atoms ___________ electrons.
a)
gain
b)
share
c)
increase
d)
transfer
50.
When electrons are shared unequally a/an ___________ bond is formed 
a)
ionic 
b)
hydrogen
c)

polar

d)

non polar

51.

Fe +3  and  S

a)
Fe3S2
b)
FeS
c)
S3Fe2
d)
Fe2S3
52.

Ba  and  Cl

a)
Ba3Cl
b)
Ba3Cl3
c)

BaCl2

d)
BaCl
53.
How do the following two elements bond together?
Potassium and Sulfur 
a)
KS
b)
K8S
c)
K6S3
d)
K2S
54.
How do the following two elements bond together? Aluminum and Oxygen
a)
AlO
b)
Al2O3
c)
Al3O6
d)
Al3O2
55.

What is the formula for magnesium phosphide?

a)
Mg3P2
b)
Mg2P3
c)
Mg2(PO4)3
d)
Mg3(PO4)2
56.

Na  and  S

a)
Na2S
b)
NaS2
c)
Na2S2
d)
NaS
57.

Which of the following is the Bohr Model of Sodium?

a)

b)

c)

d)

e)

None of the Above

58.

Which of the following is the Bohr Model of Chlorine?

a)

b)

c)

d)

59.

What is the correct Lewis Dot Structure for ammonia NH3

a)
b)
c)
d)
60.

Which is the correct molecular structure for carbon dioxide?

a)
b)
c)
d)
61.

Which is the correct electron dot formula for a molecule of F2?

a)
b)
c)
d)
62.
How did Mendeleev arrange the elements?
a)
alphabetical 
b)

atomic number

c)
melting point
d)
atomic mass
63.

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

64.

I am a metal

I am in group 2

I am in period 6

I am…

a)

Mo

b)

Re

c)

S

d)

Ba

65.
Name group 1 on the periodic table.
a)
alkali metals
b)
alkaline earth metals
c)
noble gases
noble gases
d)
halogens
66.
Name groups 3 - 12 on the periodic table.
a)
noble gases
b)
halogens
c)
metalloids
d)
transition metals

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