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Valence Electrons and Bonding

Total questions: 50

Worksheet time: 1hrs 5mins

Name
Class
Date
1.

Ionic Bonding involves...

a)

The transfer of protons

b)

The transfer of nuetrons

c)

The transfer of electrons

d)

None Of the above

2.

What do atoms that form positive ions tend to do? (Remember: It's good to give away and bad to be selfish.)

a)

Tend to lose electrons

b)

Tend to lose protons

c)

Tend to gain electrons

d)

Tend to gain protons

3.

What usually forms the positive ion? (This is not in your notes. Analyze your periodic table and what you know about valence electrons and bonding to figure this out.)

a)

Metal

b)

Non Metals

c)

None

4.

What usually forms the negative ion? (This is not in your notes. Analyze your periodic table and what you know about valence electrons and bonding to figure this out.)

a)

nonmetals

b)

metal

c)

none

5.

What happens when an atom loses an electron? (Remember: It's good to give away and bad to be selfish.)

a)

Neutral (no charge)

b)

Positive charge

c)

Negative charge

6.

What happens when an atom gain an electron? (Remember: It's good to give away and bad to be selfish.)

a)

Neutral(no charge)

b)

Positive charge

c)

Negative charge

7.

What elements generally make an ionic bond?

a)

metal and nonmetal

b)

2 or more nonmetals

c)

metal

d)

none of the above

8.

Predict the bond that will form between Be and F.

a)

Ionic

b)

Covalent

9.

Predict the bond that will form between C and O.

a)

Ionic

b)

Covalent

10.

What is a valence electron?

a)

an electron that is found in the outermost shell of an atom.

b)

an electron found in the innermost shell of an atom.

c)

an electron found in the middle shell.

11.

What is the number of valence electrons for Oxygen?

a)

8

b)

6

c)

2

d)

1

12.

What is the number of valence electrons for barium?

a)

1

b)

4

c)

2

d)

7

13.

What is the number of valence electrons for Silicon?

a)

1

b)

2

c)

6

d)

4

14.

What is the number of valence electrons for Neon?

a)

6

b)

7

c)

8

d)

9

15.

How many valence electrons does this atom have?

a)

6

b)

5

c)

4

d)

7

16.

What group or groups would Ca most likely bond with? Choose all that apply.

a)

5A

b)

6A

c)

7A

d)

8A

17.

Is Hydrogen considered a metal or a non-metal?

a)

Metal

b)

Non-metal

18.

Covalent compounds

a)

Share electrons

b)

transfer electrons

c)

contain a sea of electrons

d)

conduct electricity

19.
What is an ion?
a)
A Charged Atom
b)
A Large Atom
c)
A Small Atom
d)
A Cute Atom
20.
Why are ions formed?
a)
To make our lives difficult
b)
Because atoms want 8 valence electrons
c)
Because atoms have the same number of protons and electrons
d)
Because atoms gained neutrons
21.
An atom becomes _________ when it gains electrons.
a)
Positive
b)
Negative
c)
Neutral
d)
Invinsible
22.
An atom becomes _______ when it loses electrons.
a)
Positive
b)
Negative
c)
Neutral
d)
Invinsible
23.

A Radium atom wants...

a)

to gain one more electron

b)

to lose one electron

c)

to gain two more electrons

d)

to lose two electrons

24.

Which of the following is helium (He)?

a)

halogen

b)

noble gas

c)

alkali metal

d)

alkaline earth metal

25.

Which of the following is Lithium (Li)?

a)

alkali metal

b)

noble gas

c)

alkaline earth metal

d)

halogen

26.

A covalent bond is a bond between a _____ and a ______

a)

metal, nonmetal

b)

metal, metal

c)

nonmetal, nonmetal

27.

What type of bond is this?

a)

ionic

b)

covalent

28.
Where are the metalloids located on the periodic table?
a)
Blue
b)
Red
c)
Green
29.
Where are metals located on the periodic table?
a)
Blue
b)
Green
c)
Red
30.
Where are the nonmetals located on the periodic table? 
a)
Blue
b)
Red
c)
Green
31.

H2O (Pay attention to where these elements are on the periodic table.)

a)

Ionic Bond

b)

Covalent Bond

c)

Both bonds

d)

Neither bond

32.

LiF (Pay attention to where these elements are on the periodic table.)

a)

Ionic Bond

b)

Covalent Bond

c)

Both bonds

d)

Neither bond

33.

MgBr2 (Pay attention to where these elements are on the periodic table.)

a)

Ionic Bond

b)

Covalent Bond

c)

Both bonds

d)

Neither bond

34.

Atoms want

a)

A full outer shell of electrons

b)

One electron short of a full shell

c)

kit kats

35.

With the ________ you must have 8 electrons on the outside ring. (Not in your notes, put I have used this term as well as the high school student teachers.)

a)

anions

b)

ionic bonds

c)

cations

d)

octet rule

36.

A proton has what charge?

a)

positive

b)

negative

c)

no charge

d)

it depends

37.
An electron has what kind of charge?
a)
no charge
b)
positive 
c)
negative
d)
it depends
38.
An atom with 3 valence electrons "wants" a full shell, so it can either gain 5 or lose 3. Which is more likely to occur?
a)
Gain 5
b)
Lose 3
c)
Nothing
39.

This type of model shows only the valence electrons of an element. What is this type of model called?

a)

Bohr diagram

b)

Childers model

c)

Lewis-dot diagram

d)

What is a valence electron again?

40.
a)
The number circled is called a subscript.
b)
The number circled is called a superscript.
c)
The number shows that the element is a coefficient.
41.
How many electrons are needed in the outer energy levels of most atoms to be stable?
a)
2
b)
4
c)
6
d)
8
42.

Beryllium will ____ valence electrons when forming an ionic bond.

a)

lose 4

b)

gain 4

c)

lose 2

d)

gain 2

43.

According to the diagram below, how many bonds will this atom need to make to be stable? (How many electrons does it need to make a full shell?)

a)

1

b)

2

c)

3

d)

4

44.

This could be the dot diagram of which of these elements?

a)

Mg

b)

Cl

c)

C

d)

O

45.
Element or compound?
H2O
a)
element
b)
compound
46.

Magnesium bromide is an ionic compound with the chemical formula MgBr₂. What does the "2" tell you?

a)

There are 2 bromide ions for every magnesium ion

b)

Bromide has a 2- charge

c)

Bromide has a 2+ charge

d)

There are 2 magnesium ions to every bromide ion

47.

What element is this?

a)

Helium

b)

Hydrogen

c)

Argon

d)

Silver

48.
A model of an atom that shows all of the electrons in their energy levels (shells) is called 
a)
electron dot diagram
b)
valence electrons
c)
Bohr Model
49.

Which of these elements would potassium most likely form an ionic bond with? Choose all that apply.

a)

oxygen

b)

magnesium

c)

chlorine

d)

helium

50.

Magnesium and chlorine will form an ionic bond. How many atoms of each element will be in that compound?

a)

There is no way to know how many atoms will bond together.

b)

one atom of each element (MgCl)

c)

2 magnesiums and 1 chlorine (Mg2Cl)

d)

1 magnesium and 2 chlorine (MgCl2)

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