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M3 Last Chance Exam review

Total questions: 43

Worksheet time: 33mins

Name
Class
Date
1.
What is at the center of every atom?
a)
An electron
b)
A compound
c)
A molecule
d)
A nucleus
2.
Which two particles make up the nucleus of an atom?
a)
Protons and Electrons
b)
Protons and Neutrons
c)
Molecules and Compounds
d)
Neutrons and Electrons
3.
In an atom, what is the number of protons equal to?
a)
The number of electrons.
b)
The number of neutrons.
c)
The number of molecules.
d)
The number of nuclei.
4.
The positively charged particles of an atom are the ________.
a)
electrons
b)
protons
c)
neutrons
d)
protons & neutrons
5.
The negatively charged particles of an atom are the ______.
a)
electrons
b)
protons
c)
neutrons
d)
protons & neutrons
6.
subatomic particles found on the outermost shell & responsible for the atom's reactivity
a)
neutrons
b)
valence electrons
c)
isotopes
d)
ions
7.
Value representing the number of protons in an element
a)
Atomic Mass
b)
Mass Number
c)
Valence Electrons
d)
Atomic Number
8.

How many neutrons does calcium have?

a)

20

b)

40

c)

60

d)

0

9.

The vertical (up and down) columns in the Periodic Table are called

a)

groups

b)

towers

c)

periods

d)

atomic numbers

10.

Elements in the same group have the same

a)

Properties

b)

Number of electrons

c)

Number of protons

d)

Nucleus

11.

Group A8 elements are known as the _____ _____ and have full valence shells.

a)
royal gases.
b)
supreme solids.
c)
noble gases.
d)
legit liquids.
12.

Draw this atom. Group 1 Period 2

13.

Guess the vegetable

a)

potato

b)

carrot

c)

cauliflower

d)

non of these

14.

What Happens In A Minute,

That's In A Month,

But Never In A Year?

a)

Tomorrow

b)

The letter M

c)

Yesterday

d)

The Letter E

15.

What Is Always In Front Of You But Can't Be Seen?

a)

Air

b)

Gravity

c)

Future

d)

Past

16.

He has married many women but has never married. Who is he?

a)

Bond, James Bond.

b)

Elvis Presley

c)

Superman

d)

A priest.

17.

Take off my skin, I won't cry, but you will. What am I?

a)

A beachball.

b)

Air.

c)

An onion.

d)

A banana.

18.

What can travel around the world while staying in a corner? (Make sure you put A or An next to the noun)

a)

A stamp

b)

A tourist

c)

An envelop

d)

A book

19.
As you move down the periodic table atoms get bigger.  This is because ____________.
a)
The atoms have more mass.
b)
The atoms have more protons.
c)
The atoms have more energy levels
d)
The atoms have more nuetrons
20.
Elements on the LEFT side of the periodic table will most likely form:
a)
Positive ions
b)
Negative ions
c)
Neutral Ions
d)
None of these
21.

What is the term for the rows of periodic table?

a)

periods

b)

groups

c)

blocks

d)

configurations

e)

trends

22.
The Modern Periodic Table of Elements is arranged by
a)
atomic mass
b)
atomic number
c)
valence electrons
d)
number of isotopes
23.
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
24.
Elements in a ..................have similar chemical properties.  
a)
period
b)
group
c)
row
25.
a)

2

b)

3

c)

5

26.

Which element has 3 valence electrons?

a)

A

b)

B

c)

E

d)

C

27.
Which elements have the same number of valence electrons?
a)
A & C
b)
E & C
c)
F & A
d)
F & B
28.
Which element belongs to the group that is made up of only gases?
a)
D
b)
L
c)
E
d)
A
29.
What is the name of Group 1?
a)
Alkali Metals
b)
Alkali Earth Metals
c)
Transition Metals
d)
Halogens
30.
In an exothermic reaction, heat is ...
a)
taken in
b)
given out
31.

In an endothermic reaction, heat is ...

a)

taken in

b)

given out

32.

A student mixed two chemicals to allow them to react. The temperature before the reaction was 25 ° C. The temperature after the reaction was 18° C. Which of the following is true?

a)

It is an exothermic reaction

b)

It is an endothermic reaction

33.
What type of reaction is shown in the photo?
a)
Exothermic
b)
Isothermic
c)
Endothermic
d)
None of the  above
34.
Is photosenthysis an Exothermic or an Endothermic reaction?
a)
Endothermic
b)
Exothermic
35.

O2(g) + 2 H2 (g) → 2 H2O (g) + EnergyO_2\left(g\right)\ +\ 2\ H_2\ \left(g\right)\ \rightarrow\ 2\ H_2O\ \left(g\right)\ +\ Energy  

a)

endothermic

b)

exothermic

36.

6 CO2+ 6 H2O + Energy → C6H12O6 + 6 O26\ CO_2+\ 6\ H_2O\ +\ Energy\ \rightarrow\ C_6H_{12}O_6\ +\ 6\ O_2

a)

endothermic reaction

b)

exothermic reaction

37.
Which letter corresponds to the energy of the products?
a)
A
b)
B
c)
C
d)
D
38.

What type of reaction is this?

a)

Exothermic

b)

Endothermic

c)

Energy Producing

d)

No way to tell

39.

The graph above is from which type of reaction?

a)

Endothermic reaction

b)

Exothermic reaction

40.

Bond forming is

a)

endothermic because energy is required to form attractive forces between atoms.

b)

endothermic because energy is released when atoms bond

c)

exothermic because energy is required to form new bonds

d)

exothermic because energy is released when atoms form new bonds

41.

Examine the following reaction. Is it endothermic or exothermic and how do you know?

MgO + CaS ----> CaO + MgS + 200 kJ

a)

exothermic; energy is written on the product side

b)

endothermic; energy is written on the reactant side.

c)

exothermic; energy is written on the reactant side

d)

endothermic; energy is written on the product side.

42.

Examine the equation below. Is the reaction endothermic or exothermic, bond making or bond breaking, and why?

NaCl + AgF + energy -----> NaF + AgCl

a)

Exothermic reaction; no energy is shown on the product side so the energy will be released by the reactants to the products to help them make their bonds.

b)

Exothermic reaction; no energy is shown on the product side so the energy will be released by the reactants to the products to help the products break their bonds.

c)

Endothermic reaction; energy is a reactant so energy is being released by the reactants to the products to help them break their bonds.

d)

Endothermic reaction; energy is a reactant so energy is being taken in by the reactants to help them break their bonds.

43.
What type of reaction is shown in the reaction pathway?
a)
endothermic reaction
b)
exothermic reaction

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