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4th primary unit 1 elements around us

Author: sayed safaa
Description:
Keywords: , , , , , , online teaching

Content:
Groups:
1. metals
2. non metals
3. group_name3
4. group_name4

Objects:
0. good conductor of heat
1. have no luster
2. carbon
3. phosphorus
4. good cond. of electricity
5. not malleable or ductile
6. sulphur
7. oxygen
8. have luster
9. solid,liquid and gas
10. gold
11. nitrogen
12. malleable and ductile
13. have high melting point
14. silver
15. mercury
16. all of them are solid
17. have low melting point
18. copper
19. bromine
20. bad conductor of heat
21. have high boiling point
22. aluminium
24. bad cond. of electricity
25. havelow boiling point
26. iron
.