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Sagot :

1. sodium

2.flourine

3.phosphorus

4.baruim

5.carbon

6.boron

7.nitrogen

8.beryllium

9.caesium

10.sulfur

Determine the group number chuchu:

1. Group 1 - The Alkali Metals

2. Group 17 - The Halogen Elements

3. Group 15 - The Nitrogen group

4. Group 2 - The Alkaline Earth Metals

5. Group 14 - The Carbon Group

6. Group 13 - Boron group

7. Group 15  - Nitrogen Family

8. Group 2  - The Alkaline Earth Metals

9. Group 2 - The Alkaline Earth Metals

10. Group 16 - Oxygen group

Valence electron:

1. 5

2. 7

3. 1

4. 2

5. 6

What's more?

I.

  1. I
  2. Na
  3. Mo
  4. Ti
  5. Te

II.

  1. B
  2. O
  3. Bo
  4. Pb
  5. B
  6. Cm
  7. Pa
  8. K
  9. U
  10. No

Name:

1. Nitrogen

2. Aluminum

3. Barium

4. Copper

5. Strontium

6. Iodine

7. Magnesium

8. Fluorine

9. Sulfur

Symbol

1. N

2. AL

3. Ba

4. Cu

5. Sr

6. I

7. Mg

8. F

9. S

Group number:

1. 15

2. 13

3. 2

4. 11

5. 2

6. 17

7. 2

8. 17

9. 16

Valence Electron:

1. 5

2. 3

3. 2

4. None?

5. 2

6. 7

7. 2

8. 7

9. 6

Ion Formula:

1. N^3−

2. Al^+3

3. Ba^+2

4. Cu+2

5. Sr+2

6. I−

7. Mg^+2

8. F-

9. S^2−

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