Make a table containingnames of elements,symbois, configurationsand classify them asmetals, non-metals ormetalloids.(Atomic Number 1-20) About the author Lyla
Atomic no.| elements | symbol. 1. hydrogen. h. 2. helium. he 3. lithium. Li. 4. beryllium. Be 5. boron. B 6. carbon C 7. nitrogen. N 8. oxygen. O 9. fluorine. F 10. neon. Ne 11. sodium. Na. 12. magnesium. Mg 13. aluminium. Al 14. silicon. Si 15. phosphorus. P 16. sulfur. S. 17. chlorine. CL. 18. argon. Ar. 19. potassium k. 20. calcium. Ca. Non metal are: 1. hydrogen 2. helium 3. carbon. 4. nitrogen. 5. oxygen. 6. fluorine. 7. neon. 8. phosphorus. 9. sulphur. 10. chlorine. 11. Argon. metal are: 1. lithium . 2.beryllium. 3. sodium. 4. magnesium. 5. aluminium. 6. potassium. 7.calcium. metalloid are: 1. boron. 2. silicon. hope u like the answer Reply
Answer:
6.carbon-C , 8.oxygen-O
Atomic no.| elements | symbol.
1. hydrogen. h.
2. helium. he
3. lithium. Li.
4. beryllium. Be
5. boron. B
6. carbon C
7. nitrogen. N
8. oxygen. O
9. fluorine. F
10. neon. Ne
11. sodium. Na.
12. magnesium. Mg
13. aluminium. Al
14. silicon. Si
15. phosphorus. P
16. sulfur. S.
17. chlorine. CL.
18. argon. Ar.
19. potassium k.
20. calcium. Ca.
Non metal are:
1. hydrogen
2. helium
3. carbon.
4. nitrogen.
5. oxygen.
6. fluorine.
7. neon.
8. phosphorus.
9. sulphur.
10. chlorine.
11. Argon.
metal are:
1. lithium .
2.beryllium.
3. sodium.
4. magnesium.
5. aluminium.
6. potassium.
7.calcium.
metalloid are:
1. boron.
2. silicon.
hope u like the answer