WorksheetsChemistry, Monday Exit Ticket, 1.21.19
Total questions: 8
Worksheet time: 16mins
Name
Class
Date
1.
How many valence electrons does aluminum have?
a)
13
b)
14
c)
3
d)
4
2.
In the picture shown, element x is likely __________.
a)
Carbon
b)
Oxygen
c)
Nitrogen
d)
Fluorine
3.
Magnesium's ion
a)
Mg+
b)
Mg2+
c)
Mg-
d)
Mg2-
4.
Why do ions form?
a)
Because electrons are repelled by the nucleus.
b)
Because the number of protons changes in the nucleus
c)
Because it is more stable for elements to have noble gas configurations.
d)
Because electrons degrade over time.
5.
An element forms an ion with a 2- charge. This means that 2 electrons were __________.
a)
Gained
b)
Lost
c)
Shared
d)
Destroyed
6.
What salt forms when calcium and chlorine react?
a)
CaCl
b)
Ca2Cl
c)
CaCl2
d)
CaCl3
7.
CaO
a)
Calcium Oxygen
b)
Oxygen Calcium
c)
Oxygen Calcide
d)
Calcium Oxide
8.
Group 17 always has ions with a charge of ____.
a)
+1
b)
+2
c)
-1
d)
-2
100 %
