20.
Which
p air
o f
e lements
i s
m ost
s imilar?
a. Ca
a nd
F
b. Na
a nd
C l
c. Ne
a nd
A r
d. Li
a nd
H
21.
In
t he
p eriodic
t able,
r ows
a re
c alled
a. Periods
b. Groups
c. Classes
d. Families
22.
What
i s
t he
l ast
n aturally
f ound
e lement
o n
t he
p eriodic
t able?
( NOT
m an-‐
made)
23.
What
i s
t he
f irst
r adioactive
e lement
o n
t he
p eriodic
t able?
24.
What
i s
t he
d efinition
o f
f ission?
25.
What
i s
t he
d efinition
o f
f usion?
26.
Do
n uclear
p ower
p lants
u se
f ission
o r
f usion?
27.
What
h appens
o n
t he
s urface
o f
t he
s un,
f ission
o r
f usion?
Section
I II:
T he
s tructure
o f
a n
a tom
1.
Who
c ame
u p
w ith
t he
s tructure
o f
a n
a tom
t hat
h as
t he
e lectrons
orbiting
t he
n ucleus
i n
o rbitals
( rings)?
2.
Who
d iscovered
t he
n ucleus
o f
a n
a tom?
3.
What
d oes
t he
a tomic
n umber
t ell
y ou
a bout
t he
a tom?
4.
Which
p articles
d etermine
t he
t ype
o f
e lement?
( neutrons,
p rotons
o r
electrons)
5.
If
a
L ithium
a tom
g ains
a
P ROTON,
w hat
d oes
i t
b ecome?
6.
How
m any
p rotons
a nd
e lectrons
d oes
c arbon
h ave?
7.
What
i s
t he
a tomic
m ass
o f
a n
a tom
t hat
h as
8
p rotons,
8
n eutrons
a nd
8
electrons?