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Clarissa Olea Excel Exercise 0

Atomic radius of period 2 elements vs. atomic number

Atomic radius of period 2 elements Vs. Atomic Number

Atomic Atomic number radius 3 152 4 112 5 88 6 77 7 70 8 66 9 68 10 67

160

Atomic Radius (pm)

140 120 100 80 60

y = -10.571x + 156.21 R² = 0.7288

40 20 0 0

2

4

6

8

10

12

Atomic Number In the figure above the Atomic Radius decreases as the Atomic number increases with the exception of Fluorine(F). All other elements decrease although after carbon(C0 it is less drastic.

Ionization energy of period 2 elements vs. atomic number

Atomic ionization number energy 3 526

Atomic radius of period 2 elements vs. ionization energy

Ionization Energy

2500 y = 199.08x - 63.917 R² = 0.9305

2000 1500 1000

4

905

5

810

6

1090

7

1410

8

1320

9

1690

10

2090

500 0 0

2

4

6

8

10

12

Atomic Number In the figure above, the ionization energy of the elements in period 2 increase , all except boron(B) and oxygen(O).

Boiling points of period 2 elements vs. atomic number

Atomic number

Period 2 Elements Melting point vs. Atomic number Boiling Point in degrees Celcius

6000

3 4 5 6 7 8 9 10

5000 4000 3000 2000 1000 0 -1000

0

2

4

6

y = -460.06x + 4330.9 R² = 0.3497 8 10

12

Boiling point degrees Celsius 1330 2480 2900 4827 -196 -183 -188 -246.1

Atomic Number In the Figure above there is a increasing pattern of boiling point temperatures up until nitrogen(N) where the temperature’s begin to decrease and stay that way.

Electronegativity of period 2 elements vs. atomic number

Period 2 Electronegativity vs. Atomic number

Electronegativity

5 4.5

Atomic number

y = 0.4907x - 0.43 R² = 0.9983

4 3.5 3 2.5 2 1.5 1 0.5 0 0

2

4

6

8

10

12

Atomic Number In the figure above there is a steady increase in electronegativity as Atomic number increasing.

Electronegativity 3 4 5 6 7 8 9 10

0.98 1.57 2.04 2.55 3.04 3.44 3.98 No data...