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Chemistry work sheet 1

Author: aziz mona
Description:
Keywords: , , , , , , online teaching

Content:
Groups:
1. Representative
2. Main transition
3. Inner transition
4. Nobel gas

Objects:
0. Neon (Ne10)
1. Iron (Fe 26)
2. Calcium (Ca20)
3. Potassium (K19)
4. Scandium (Sc 21)
5. Carbon (C 6)
6. Xenone (Xe 54)
7. Cerium ( Ce 58)
8. Thorium (Th 90)
9. Sulphur (S 16)
.