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JC Chemical Bonding

Total questions: 29

Worksheet time: 29mins

Name
Class
Date
1.
Chemical bonds form when atoms
a)
combined nuclei
b)
give up neutrons
c)
gain protons
d)
share or transfer electrons
2.
If an atom loses two electrons what charge will it have?
a)
+ 2
b)
 - 2
c)
+1
d)
-1
3.
If an atom gains one electron what charge will it have?
a)
-2
b)
-1
c)
+1
4.
Covalent compounds
a)
Share electrons
b)
transfer electrons
c)
contain a sea of electrons
d)
conduct electricity
5.
A bond that forms when electrons are transferred is called a/an
a)
ionic bond
b)
covalent bond
c)
hydrogen bond
6.
What elements generally make an ionic bond?
a)
metal and nonmetal
b)
2 nonmetals
c)
metal
d)
none of the above
7.
What elements generally make a covalent bond?
a)
metal and nonmetal
b)
2 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 Se and Cl
a)
Ionic
b)
Covalent
10.
How many electrons does Si contain? (click to see image)
a)
14
b)
28
c)
2
d)
4
11.
How many electrons can the first energy level hold?
a)
1
b)
2
c)
8
d)
0
12.
What happens when an atom loses an electron?
a)
It becomes Negatively Charged
b)
It remains neutral because the proton also leaves.
c)
It becomes Positively Charged
d)
It stays the same.
13.
If an oxygen atom has 8 protons (+) and 10 electrons (-), what is it's charge?
a)
O10-
b)
O8+
c)
O2-
d)
O10+
14.
High Melting & Boiling Points
a)
Ionic
b)
Covalent
15.

Is H2O2 an element or a compound?

a)

element

b)

compound

16.

An atom that gains or loses an electron becomes

a)

an isotope

b)

a new element

c)

an ion

d)

a molecule

17.

How many different elements are in the C6H12O6

a)

3

b)

6

c)

12

d)

24

18.

How many total atoms are in C6H1206

a)

3

b)

6

c)

12

d)

24

19.

After a chemical reaction occurs, atoms are not created nor destroyed,

a)

just rearranged into a new substance

b)

just changed into different elements

c)

just turned into unstable elements

20.

Most elements bond to create compounds because

a)

their outer electron level is full

b)

they are unstable

c)

they are positively charged

21.

Typically, atoms are more stable when they are

a)

bonded together

b)

apart from each other

22.

What do positive ions tend to do?

a)

lose electrons

b)

gain electrons

c)

lose protons

d)

gain protons

23.

What is the chemical formula for Lithium Nitride?

a)

Li3N

b)

LiN3

c)

NLi3

d)

N3Li

24.

Phosphorous trichloride

a)

PCl3

b)

P3Cl

c)

P3Cl3

d)

PCl

25.

The formula for the ionic compound of magnesium and nitrogen would be

a)

MgN2

b)

MgN

c)

Mg3N2

d)

MgN3

26.

What is the chemical name for NI3 ?

a)

Nitrogen hydroxide

b)

Nitrogen trinitride

c)

Nitrogen triiodide

d)

Triiodide mononitrogen

27.

Draw the atomic structure of Chlorine

28.

How do you write the chemical formula for a compound with 1 Li and 2 O

29.

How do you find the topic 'Chemical Bonding'?

a)

Very Easy

b)

Moderate

c)

Somewhat difficult but mostly okay

d)

Very difficult

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