6) The "
A
B
C
D
E
7) The a
A)
B
C
D
E
8) The s
A)
B
C
D
E
9) A che
A
B
C
D
E
first cells" s
A) Prokaryo
B) Animals.
C) Plants.
D) Fungi.
E) Protists.
atoms of a s
) Have the
B) Can form
C) Can have
D) Can have
E) Always h
second orbi
) 2
B) 3
C) 4
D) 6
E) 8
emical comp
A) A proton
B) A base
C) an acid
D) A hydrox
E) A hydrog
shown at th
tes.
single elem
same num
m bonds only
e different n
e different n
ave an ove
tal shell of
pound that
ide ion
en ion
he bottom o
ment
ber of elect
y with atom
numbers of
numbers of
erall positive
an atom ca
releases H
of this illustr
trons
ms of the sa
electrons
protons
e charge
an hold ___
H
+
into a sol
ration most
ame elemen
_ electrons
lution is cal
likely refer
nt
lled:
to:
13