Atomic Number Worksheet.docx

LEARNING ACTIVITY ( Science Grade 8 ) Grade/Score: Date:

Year and Section:

Type of Activity (Check or choose from below.)______________________  Laboratory Report  Formal Theme Concept Notes  Illustration  Informal Theme Skills: Exercise / Drill

 Others:

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Activity Title: Learning Target:

Protons, Neutrons, and Electrons

References:(Autho r, Title, Pages)

Activity: Supply the following items. Atomic symbol

Atomic number

Protons

B

Neutrons

Electrons

Mass Number

6 11

24 31

37 39

89

35

63.5

43

100 207

Pb 102

70 225

Mo

227

53 81 100

206 159

No Tm

261 170 106

159 19

2

22 39

20.2

2

Ti

49 4

30 5

55.8 16

V

Atomic Mass

28

32

Solutions for the Protons, Neutrons, and Electrons Practice Worksheet:

Atomic symbol

Atomic number

Protons

B Na Ga Y Cu Tc Pb Yb Ac Mo Tl Fm No Tm Sg Ne K He Ti Fe Be S V

5 11 31 39 29 43 82 70 89 42 81 100 102 69 106 10 19 2 22 26 4 16 23

5 11 31 39 29 43 82 70 89 42 81 100 102 69 106 10 19 2 22 26 4 16 23

Neutrons Electrons

6 13 37 50 35 57 125 102 136 53 125 159 159 101 159 12 20 2 27 30 5 16 28

5 11 31 39 29 43 82 70 89 42 81 100 102 69 106 10 19 2 22 26 4 16 23

mass #

Atomic Mass

11 24 68 89 64 100 207 172 225 95 206 259 261 170 265 22 39 4 49 56 9 32 51

10.8 23.0 69.7 88.9 63.5 (98) 207 173 227 95.9 204.4 257 259 169 263 20.2 39.1 4.00 47.9 55.8 9.01 32.1 50.9