+ ++
+ Protons -positive charge
Neutrons - no charge
-
--
Nucleus
- Electronsnegative charge
1st energy level holds a maximum of 2 electrons (e1-)
2nd energy level holds a maximum of 8 (e1-)
3Atomic number# of protons (p1+)
6Mass Number# of protons + number of
neutrons Li Symbol
+ ++ Nucleus
3p1+
3n02e1-1e1-
Shortform for
6Li3
7p1+
8n02e1-5e1-
Bohr Diagram
N7 Isotope notation
15
6p1+
8n02e1-8e1-
Bohr Diagram
Isotope notation
The charge compares proton number to electron number
C6144-
10 p1+
12n02e1-8e1-
Bohr Diagram
Isotope notationNe10
22
12 p1+
16n02e1-8e1-
Bohr Diagram
0e1-
Mg1228
2+
Isotope notation
16 p1+
19 n02e1-8e1-
Bohr Diagram
Isotope notation
8e1-
S1635 2-
1532P
3- The Bohr Diagram is
2e1-8e1-8e1- 15 p1+
17 n0
1940K
1+ The Bohr Diagram is
2e1-8e1-8e1- 19 p1+
21 n0
1430Si
2+The Bohr Diagram is
2e1-8e1-2e1- 14 p1+
16 n0
919F
1- The Bohr Diagram is
2e1-8e1-0e1- 9 p1+
10 n0
O18 3+8
Draw Bohr Diagrams for the following
Na25 1+11
Ca44 2+20
N17 3-7
29 4+14
Si
Na25 3+11
Ca46 3+20
N19 1-7
31 2+14
Si
Ti47 4+22
B10 3-5
31 1+14
P
(a) (b) (c) (d)
(e) (f) (g) (h)
(i) (j) (k) (l)
2e1-
8e1-
7e1-
17p1+
19 n0
2e1-
8e1-
5e1-
15p1+
18 n0
Isotope Notation is
Isotope Notation is
(m)
(n)
2e1-
8e1-
8e1-
20p1+
23 n0
2e1-
8e1-
8e1-
21p1+
25 n0
Isotope Notation is
Isotope Notation is
(o)
(p)
2e1-
8e1-
1e1-
11p1+
15 n0
2e1-
8e1-
0 e1-
8 p1+
13 n0
Isotope Notation is
Isotope Notation is
(q)
(r)
2e1-
8e1-
0 e1-
6 p1+
9 n0
2e1-
8e1-
0 e1-
7 p1+
12 n0
Isotope Notation is
Isotope Notation is
(s)
(t)
2e1-
0 e1-
0 e1-
5 p1+
7 n0
2e1-
8e1-
0 e1-
13 p1+
16 n0
Isotope Notation is
Isotope Notation is
(u)
(v)