WorksheetsBonding and Reactions
Total questions: 8
Worksheet time: 2hrs 0mins
Name
Class
Date
1.
Magnesium bromide is an ionic compound with the chemical formula MgBr₂. What does the little “₂” tell you?
a)
Bromide has a 2- charge
b)
There are 2 magnesium ions for every 1 bromide ion
c)
There are 2 bromide ions for every 1 magnesium ion
2.
The diagram represents which type of bond?
a)
ionic bond
b)
covalent bond
c)
metallic bond
3.
The diagram represents which type of bond?
a)
ionic bond
b)
covalent bond
c)
metallic bond
4.
The compound NaCl is an example of . . .
a)
an ionic compound
b)
a covalent compound
c)
a metallic compound
5.
What types of elements form covalent bonds?
a)
metals
b)
nonmetals
c)
metalloids
d)
metals and nonmetals
6.
What element's atom could this diagram represent?
a)
lithium (Li)
b)
magnesium (Mg)
c)
carbon (C)
d)
oxygen (O)
7.
Which of the following correctly describes this chemical equation in words?: H₂ + Cl₂ --> 2HCl
a)
1 molecule of hydrogen gas reacts with 1 molecule of chlorine gas to yield 2 molecules of hydrochloric acid
b)
2 molecules of hydrogen gas react with 2 molecules of chlorine gas to yield 2 molecules of hydrochloric acid
c)
2 hydrogen atoms react with 2 chlorine atoms to yield 2 hydrogen atoms and 1 chlorine atom
8.
During a chemical reaction . . .
a)
chemical bonds break or form
b)
matter is destroyed
100 %