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Fall Mid term Review

Total questions: 80

Worksheet time: 2hrs 59mins

Name
Class
Date
1.

If a fire erupts during lab, immediately

a)

RUN for the fire extinguisher

b)

Throw water on the fire

c)

Notify you teacher and get fire blanket

d)

open a window

2.

Horseplay or practical jokes in the lab are

a)

always against the rules

b)

okay

c)

not dangerous

d)

okay if you are working alone

3.

Choose all that apply:

Which of the following should be worn during lab?

a)

goggles

b)

closed toe shoes

c)

long, baggy sleeves

d)

apron

e)

jewelry

4.

This means

a)

Fire Hazard

b)

Explosion Hazard

c)

Start a Fire

d)

Fire truck crossing

5.

Who invented the Periodic Table?

a)

Mendeleev

b)

Bohr

c)

Lewis

d)

Democritus

6.

As you move left to right on a row or period what happens?

a)

Atomic number increases by 1

b)

Electrons decrease

c)

Number of shells decrease

d)

Nothing

7.

What happens to the number of shells as you move down a group?

a)

They decrease by 1

b)

They increase by 1

c)

Nothing

8.

If elements want to have a full valence shell of 8 electrons and Mg(2A) wants to react and combine with another element to get a full shell, how many valence electrons does it need to get rid of to go down to full shell underneath? What is it's charge or oxidation number (think about how many it is getting rid of and the charge of an electron)?

a)

6; +2

b)

2; +2

c)

2; +6

d)

2; -6

9.

The first energy shell can hold ______ electrons.

a)

2

b)

8

c)

18

10.

All elements in the same row have the same number of shells.

a)

True

b)

False

c)

Sometimes

11.

Mendeleev's genius was his ability to

a)

predict elements that were not discovered yet

b)

organize elements by their mass

c)

had an element named after himself

d)

organize elements by properties

12.

Valence means......

a)

inside

b)

outside

c)

full

13.

If elements want to have a full valence shell of 8 electrons and Sulfur (6A) wants to react and combine with another element to get a full shell, how many valence electrons does the other element need? What is it's charge or oxidation number of Sulfur?

a)

2; +2

b)

6; +2

c)

2; -2

d)

6; -2

14.

Elements in the same group or column have the same ...

a)

# of valence electrons

b)

# of shells

c)

# of protons

d)

Mass Number

15.

Rows on the periodic table are called ___________.

a)

Periods

b)

Sentences

c)

Fences

16.

What do all elements in the same period have?

a)

same number of shells

b)

same number of electrons

c)

belong in the same family

17.
Which group of the periodic table is composed of inert (not reactive)  gases?
a)
alkali metals
b)
alkaline earth metals
c)
halogens
d)
noble gases
18.
Which is an alkali metal?
a)
Magnesium
b)
Iron
c)
Sodium
d)
Europium
19.
Which is a halogen?
a)
Helium
b)
Chlorine
c)
Oxygen
d)
Neptune
20.

What is the MOST reactive metal?

a)

H, Hydrogen

b)

U, Uranium

c)

Fr, Francium

d)

F, Fluorine

21.

Which of the following are physical properties of metal?

a)

Luster

b)

Conductivity

c)

Malleability

d)

Ductility

22.

What is the MOST reactive non-metal?

a)

At, Astitine

b)

Fr, Francium

c)

He, Helium

d)

F, Fluorine

23.

Which of the following could be properties of nonmetals?

a)

Poor electrical conductivity

b)

All of These

c)

Dullness

d)

Brittleness

24.

I am a metal


I am in group 2


I am in period 6


I am…

a)

Mo

b)

Re

c)

S

d)

Ba

25.

I am a nonmetal


I am in period 2


I am in group 16/6A

a)

Ba

b)

Si

c)

Ba

d)

O

26.

This subatomic particle is contained in the nucleus and has a positive charge.

a)

neutron

b)

proton

c)

electron

d)

molecule

27.

This subatomic particle is located in the nucleus of an atom and has no charge

a)

proton

b)

electron

c)

quark

d)

neutron

28.

This subatomic particle has a negative charge and orbits the nucleus.

a)

neutron

b)

electron

c)

proton

d)

quark

29.

Protons and neutrons clump together at the center of the atom to form the __________ of the atom.

a)

electron cloud

b)

element

c)

atomic mass

d)

nucleus

30.

This is the chart of all known elements that scientists reference when working with atoms or molecules.

a)

Pterodactyl chart

b)

Elemental Table

c)

Periodic Table of Elements

d)

Periods and groups

31.

Anything that has mass and takes up space.

a)

elements

b)

atoms

c)

electrons

d)

matter

32.

The basic unit of an element, this makes up all matter.

a)

nucleus

b)

isotope

c)

atom

d)

proton

33.

The number of protons in the nucleus of an atom

a)

atomic number

b)

nucleus

c)

atomic mass

d)

atomic symbol

34.

The number of protons plus neutrons in the nucleus of an element is called the ____________.

a)

atomic symbol

b)

atomic mass

c)

atomic number

d)

atomic bomb

35.

The electrons located in the outer shell of an element and determine reactivity of that element are called _______.

a)

ions

b)

groups

c)

periods

d)

valence electrons

36.

An isotope is an atom of an element has the same number of protons, but different number of _____________.

a)

protons

b)

electrons

c)

neutrons

d)

electron shells

37.

The atomic number of an element tells the number of _________ in one atom of the element.

a)

protons

b)

neutrons

c)

electron shells

d)

gamma radiation

38.

When two different atoms bond together, they form a(n) __________.

a)

compound

b)

isotope

c)

mixture

d)

period

39.

Repeating rows of the periodic table that demonstrate patterns of how elements are arranged, like electron shells, are called _____________.

a)

Groups

b)

Columns

c)

Elements

d)

Periods

40.

The gain or loss of electrons causing the element to have an overall charge is called __________.

a)

electrons

b)

ions

c)

isotopes

d)

compounds

41.

Can be measured in meters (m), kilometers (km), centimeters (cm), etc...

a)

Distance

b)

Time

c)

Speed

d)

Acceleration

42.

Can be measured in seconds (s), minutes (min), hours (h), etc....

a)

Distance

b)

Time

c)

Speed

d)

Acceleration

43.
At 60 seconds, how far had this object traveled? 
a)
0 m
b)
10 m
c)
20 m
d)
40 m
44.
How many times does this object STOP moving?
a)
None
b)
Once
c)
Twice
d)
Three times
45.

Which of the following is a state of matter?

a)

A) Light

b)

B) Sound

c)

C) Gas

d)

D) Energy

46.

Which of the following is an example of a mixture?

a)

A) Water

b)

B) Salt

c)

C) Oxygen

d)

D) Air

47.

Which of the following is a physical property?

a)

A) Flammability

b)

B) Density

c)

C) Reactivity

d)

D) Corrosiveness

48.

Which of the following is a chemical property?

a)

A) Boiling point

b)

B) Melting point

c)

C) Flammability

d)

D) Solubility

49.

Which of the following is a homogeneous mixture?

a)

A) Orange juice with pulp

b)

B) Saltwater

c)

C) Oil and water

d)

D) Granite

50.

Which of the following is a physical change?

a)

A) Burning wood

b)

B) Rusting of iron

c)

C) Melting ice

d)

D) Digesting food

51.

Which of the following is a chemical change?

a)

A) Boiling water

b)

B) Dissolving sugar in water

c)

C) Mixing oil and vinegar

d)

D) Baking a cake

52.

Matter that flows and takes the shape of the container it is in

a)

Liquid

b)

Water

c)

Solid

d)

Gas

53.

Matter that spreads out to fill any space it can.

a)

Mixtures

b)

Liquid

c)

Fluid

d)

Gas

54.

Which one is an example of a mixture

a)

Lemonade

b)

Tomato Soup

c)

Salad

d)

Engine Oil

55.

Oil and water separate if they are in the same jar, what is this?

a)

A Heterogeneous mixture

b)

A Homogenous mixture

56.
What type of matter is made from only one type of atom? (Only one element)
a)
Pure Substance
b)
Mixture
c)
Heterogeneous
d)
I have no idea
57.
What phase of matter is made of molecules packed closely together and connected by strong, directional bonds?
a)
Gas
b)
Liquid
c)
Solid
d)
Plasma
58.
Which phase of matter is made of molecules which are loosely spaced, not bonded, and in constant motion, which has neither definite shape nor volume?
a)
Gas
b)
Liquid
c)
Solid
d)
Plasma
59.
Which phase of matter is usually made of highly ionized gases, and has a mixture of normal atoms and atoms which have lost one or more electrons?
a)
Gas
b)
Liquid
c)
Solid
d)
Plasma
60.
Which of the following is a homogenous mixture?
a)

Chocolate milk

b)

Caesar salad

c)
Pizza
d)
Distilled water
61.
Which of the following is a heterogeneous mixture?
a)

Air

b)
Saline solution
c)

oil and water

d)
Hydrogen gas
62.
What is the name of this element?
a)
Helium
b)
Hydrogen
c)
Argon
d)
Silver
63.

What element is represented in this Bohr Model?

a)

Carbon

b)

Hydrogen

c)

Aluminum

d)

Lithium

64.
What is the mass number of this atom?
a)
1
b)
3
c)
4
d)
7
65.
What is the atomic number of this atom?
a)
2
b)
4
c)
6
d)
none of the above
66.
an element will always have the same number of 
a)
neutrons
b)
protons
c)
isotopes
d)
atoms
67.
Isotopes are elements with a different amount of
a)
protons
b)
neutrons
c)
electrons
d)
atoms
68.

The maximum depth of a certian lake is 244m. What is the depth in kilometers?

a)

0.00244 km

b)

24,400 km

c)

0.244 km

d)

244,000 km

69.

Maria is 123 cm tall. Her height in meters is

a)

0.0123 m

b)

0.123 m

c)

1.23 m

d)

12.3 m

70.

The speed of light is approximately 3 x 108 m/s. How would this be written in standard noation?

a)

300,000 m/s

b)

3,000,000 m/s

c)

30,000,000 m/s

d)

300,000,000 m/s

71.

What is 78,900,000,000 written in scientific notation?

a)

789 x 109

b)

78.9 x 108

c)

7.89 x 109

d)

7.89 x 1010

72.

A triple beam balance is a scientific tool used to measure

a)

temperature

b)

time

c)

volume

d)

mass

73.

A substance has a mass of 360g and a volume of 7.5mL. What is its density?

a)

2700 g/mL

b)

480 g/mL

c)

48 g/mL

d)

270 g/mL

74.

Steel has a density of 7.8 g/cm3. What is the mass of the block of steel with a volume of 600 cm3?

a)

77 g

b)

4680 g

c)

468 g

d)

7,700 g

75.

The process of a liquid becoming a gas is called

a)

sublimation

b)

condensation

c)

evaporation

d)

freezing

76.

Who determined that atoms could be divided?

a)

Democritus

b)

Thomson

c)

Dalton

d)

Rutherford

77.

Thomson is responsible for discovering that the atom contains ________.

a)

electrons

b)

molecules

c)

anodes

d)

a nucleus

78.

Which element is a metalloid?

a)

Carbon (C)

b)

Silicon (Si)

c)

Sodium (Na)

d)

Uranium (U)

79.

According to Rutherford's model of the atom, the center had

a)

a negatively charged center

b)

protons and electrons

c)

a positively charged center

d)

neutrons and electrons

80.

The process of a liquid becoming a solid is called

a)

condensation

b)

freezing

c)

evaporation

d)

melting

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