Names of all group members:
What is an Atom?
Fill in the table.
13
12e
e
13
e
Number of protons
Co
~
CD
Number of neutrons
CD
1
1
Number of electrons
(0
<0
1
What do all carbon atoms and ions have in common?
What do all hydrogen atoms and ions have in common?
\
~~
j ~\
ert
~\-
~~\-"@I\.
What is the significance of the atomic number, Z, above each atomic symbol in the periodic table?
What do all nickel (Ni) atoms have in common?
Answer the following
a)
in terms of numbers of protons, neutrons, and electrons.
Why does the notation
e have a negative
13
\ mofe ~\~\wl\\\n~\I\tb)
(\L\~
~\i)\unS
What feature distinguishes a neutral atom from an ion?
'i.{)1)S
c)
~
sign in the upper right hand corner?
'no...\I~
~e.
Mo\1(../ Lees 'E\u,~S t'r-Av-- ~\trnC;.
0.. c\\~'\\'flC\ C\\~,:f
Provide an expression for calculating the charge on an ion .
.
C
-=.
-:r.. - rt:
What structural feature is different
.C::: (no.."'\~
:C'-=--w ~~~S
e ::*'£\~(.-n-OY)S
in isotopes of a particular element?
How is the mass number, A (left hand superscript next to the atomic symbol), determined?
Show that the mass number and charge given for
"2-: 8-~
~
\~
-,\1""-"
e
16 2
0
- and 23Na+
are correct.
,\ fi2 =23
/6e
Names of all group members:
What is an Atom?
Fill in the table.
12e
Be
I
Number of protons
Number of neutrons
0-
!
& -r
!C
{
-;
b
6
n
I
~
V
Number of electrons
Be
What do all carbon atoms and ions have in common?
-\he-tr\. \'le..vC
~VV\e..:tl of' y?£b torr."
\(,e
--
~ _l9(( ,,~
~
~)
What do all hydrogen atoms and ions have in common?
'1\re_ ~J c.l{ h(;.v(
1 ff()h)\r\
What is the significance of the atomic number, Z, above each atomic symbol In the periodic table?
l{.U';:,
~
pr~'l"~
o-f
ift· Vl£lVVll?er
h"-,~
IV,
1'1,..•.c...k.-v.-;.
What do all nickel (Ni) atoms have in common?
\~eu ~~\
Answer the following
a)
tL uP f>rcbn-s-
~f"Y\c
in terms of numbers of protons, neutrons, and electrons.
Why does the notation
\)e£AA....";,<.-
b)
·U-L
hCvJl!.-
Be have
a negative sign in the upper right hand comer?
it il)~'\.hve
\ \-- ~)
C~f~
~.V1J
':y..:Y1e...J
eJ ~~
What feature distinguishes a neutral atom from an ion?
}:t ~ DtllA't)€c)
Provide an expression for calculating the charge on an ion.
What structural feature is different
p~
ti- of
froh'J) ,
in isotopes of a particular element?
~l-
d{~t-
tt-
oF-
{le:!..-t,tro<1S
How is the mass number, A (left hand superscript next to the atomic symbol), determined?
~
.-
-t\t-t: 4Yl Y'"
([\
\
VlUA ~
<:>
~
f ro~
s
Names of all group mem ers:
What is an Atom?
Fill in the table.
12e
Be
Number of protons
c;
Number of neutrons
l
r,
(b
7-
':f
r:
Number of electrons
Be
1-'
li:?
What do all carbon atoms and ions have in common?
YlVtvJ ber DF Pfott)'l S
- Sam-e
What do all hydrogen atoms and ions have in common?
-QIl
Vla~
.
el~ct(CYf5
neVt1"01'ts
,d
What is the significance of the atomic number, Z, above each atomic symbol in the periodic table"?
I1umber ct
-1n.e
prOttN1 S
What do all nickel (Ni) atoms have in common?
- l~
rUNtn7er
ck protuv'l~
Answer the following
a)
in terms of numbers of protons, neutrons, and electrons.
Why does the notation
b)
\t'S
a¥\
Be
have a negative sign in the upper right hand corner?
~ SyttlbOilel5 tfUA,t- it ~Ofhtd
a~n
llt1
.e/-eonrtV'\
What feature distinguishes a neutral atom from an ion?
- 1nf
c)
cnor~.
Provide an expression for calculating the charge on an ion.
Cl1O~ e
=- .••. ~~ prlity) <':>
What structural feature is different
_ Dftf!teYl.r
-
-#-
t?r
tl-elTV16
in isotopes of a particular element?
y\1NVl~
Y\€tltttvl-:S
Of
~ oi
""
.«-JS.
How is the mass number, A (left hand superscript next to the atomic symbol), determined?
- 1\1\e S ~W1
or fro ten S
I"
~ (1tfCVl~ .
Show that the mass number and charge given for
I~02-
0
-
and
'2.~NO\.-
2..3:l\p1'12n,),
(Co;gr-"~\I)
3 r -I(}
16 2
;-
z..
UP -10 ~
23Na+
are correct.