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G8 Unit 1 Chemistry Review

Total questions: 42

Worksheet time: 27mins

Name
Class
Date
1.

What title would you give the following image?

a)

Periodic Table Trends: Electronegativity

b)

Periodic Table Trends: Atomic Radius

c)

Periodic Table Trends: Ionization Energy

d)

Periodic Table Trends: Ionization Energy and Electronegativity

2.
Electronegativity is...
a)
how good an atom is at attracting electrons
b)
the ability of an atom to lose electrons
c)
the energy required to remove an electron from a specific atom
d)
how easy it is to make friends. 
3.

Electronegativity trends are the same as:

a)

Atomic radius trends

b)

Ionization energy trends

c)

Both of these

d)

None of these

4.
Ionization energy is...
a)
the energy required to add an electron to a specific atom
b)
how much energy it takes to remove an electron from an atom
c)
the energy required to shield the outer electrons from the nucleus
d)
a measure of the ability of an atom to attract electrons
5.

If a potassium atom lost one electron, what would be the symbol for that ion?

a)
b)
c)
d)
6.

As two oppositely charged particles approach each other, what happens to the electrical force between them?

a)

The attractive force increases

b)

The magnitude of the electric force decreases

c)

The repulsive force increases

d)

The magnitude of their charges increases

7.
When distance increases, electrostatic force ____________; we call this relationship ____________ proportional
a)
decreases;directly
b)
decreases;inversely
c)
increases;inversely
d)
increases;directly
8.

Reaction where heat is released.

a)

Chemical reaction

b)

Physical reaction

c)

Exothermic reaction

d)

Endothermic reaction

9.
A decomposition reaction can be represented as _____________________.
a)
AB  → A + B
b)
A + B → AB
c)
AB + CD → AC + BD
d)
A + BC → B + AC
10.
A chemical change in which a single compound breaks down into two or more simpler products is called a ______________________.
a)
single-replacement reaction
b)
synthesis reaction
c)
double-replacement reaction
d)
decomposition reaction
11.
This chemical equation for mercury oxide is an example of what type of reaction?
2HgO  → 2Hg + O2
a)
decomposition reaction
b)
synthesis reaction
c)
combustion reaction
d)
Marvin the Martian reaction
12.
This chemical equation for magnesium oxide is an example of what type of reaction?
2Mg + O2  → 2MgO
a)
decomposition reaction
b)
synthesis reaction
c)
single displacement reaction
d)
combustion reaction
13.

The chemical reaction AgNO3 + NaCl --> AgCl + NaNO3 is a

a)

single displacement

b)

double displacement

c)

composition

d)

decomposition

14.

What are the products of combustion?

a)

Hydrogen + oxygen

b)

Carbon dioxide + water

c)

Carbon dioxide + hydrogen

d)

Carbon + water

15.

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

16.

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

17.

_____ reactions usually feel hot!

a)

endothermic

b)

exothermic

18.

____ reactions usually feel cold.

a)

endothermic

b)

exothermic

19.

What type of reaction is this?

a)

Exothermic

b)

Endothermic

c)

Energy Producing

d)

No way to tell

20.

What type of reaction is this?

a)

Exothermic

b)

Endothermic

c)

Energy Producing

d)

No way to tell

21.

_______ is the electrical force between two charged objects is directly proportional to the product of the quantity of charge on the objects and inversely proportional to the square of the separation distance between the two objects

a)

Electronegativity

b)

Ionization Energy

c)

Atoms

d)

Coulomb's Law

22.

This bond is a (an)...

a)

Ionic bond

b)

Non polar bond

c)

Hydrogen bond

d)

Metallic bond

23.

What is the missing product in this neutralization reaction?

a)

NaOH

b)

NaF

c)

FOH

d)

NaH

24.

According to Coulomb’s Law, the valence electrons in an atom experience a _____ attraction to the nucleus than the inner electrons.

a)

Stronger

b)

Weaker

c)

Similar

d)

None of the above

25.

_____ is an intermolecular force of attraction between a hydrogen atom bonded to a strongly electronegative atom and another electronegative atom which exists in the vicinity

a)

Hydrogen bond

b)

Metallic Bond

c)

Ionic Bond

d)

Covalent Bond

26.

Which of the following elements in group one have the greatest tendency to gain electrons?

a)

K

b)

Na

c)

Li

d)

H

27.

What are the correct products of any neutraliztion reaction?

a)

Acid + Base

b)

Hydrocarbon + Oxygen

c)

Salt + Water

d)

Carbon Dioxide + Water

28.

Which diagram best represents a polar-covalent molecule? 

a)

Image A

b)

Image B

c)

Image C

d)

None

29.

The dipole moment of this molecule should go from...

a)

H --> Cl

b)

H <-- Cl

c)

Down

d)

Up

30.

If a compound tends to have a higher boiling point, we can assume that this molecule...

a)

Have a smaller dipole moment.

b)

Is the strongest acid

c)

Tends to form hydrogen bonds

d)

Less soluble in water

31.

What type of bond would form between O and O?

a)

Polar Covalent

b)

Non-Polar Covalent

c)

Ionic

32.

The bond between C and Cl is polar covalent. That means

a)

there is a pair of electrons shared equally between them

b)

there is a pair of electrons shared unequally between them

c)

an electron will be stolen from one and given to the other

33.

The bond between Hand F is ionic. That means

a)

there is a pair of electrons shared equally between them

b)

there is a pair of electrons shared unequally between them

c)

an electron will be stolen from one and given to the other

34.

The bond between K and N is ionic. Which atom will steal the electrons from the other?

a)

K will steal electrons from N and become (+)

b)

K will steal electrons from N and become (-)

c)

N will steal electrons from K and become (+)

d)

N will steal electrons from K and become (-)

35.

What type of bond contains cations and anions?

a)

Polar Covalent

b)

Non-Polar Covalent

c)

Ionic

36.

What type of reaction occurs in a hand warmer?

a)

exothermic

b)

endothermic

37.

Which statement correctly and completely identifies a trend?

a)

Atomic radius decreases across a period and increases down a group.

b)

Electronegativity decreases across a period and decreases down a group.

c)

Ionization energy increases across a period and increases down a group.

d)

Ionic radius increases across a period and increases down a group.

38.

As you look down a group, ionization energy and electronegativity

a)

increases

b)

decreases

39.
What is ionization energy?
a)
Energy needed to destroy an atom
b)
Energy required to remove an electron
c)
Energy needed to split an electron
d)
Energy required to add an electron
40.

Which element has the greater ionization energy?

a)

Magnesium (Mg)

b)

Phosphorus (P)

41.

As you look from left to right across a period, electronegativity

a)

increases

b)

decreases

42.

In a polar covalent bond, partial negative charges is assigned to...

a)

The element with higher electronegativity value

b)

The element with lower electronegativity value

c)

The element with higher ionization energy value

d)

The element with lower ionization energy value

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