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ACTIVITY 3
A. Identify if the element belongs to the representative block or not. Write YES if the element is a representative element and write NO if it is not.

1. N
2. Ti
3. Ca
4. Fe
5. B


B. Classify the following representative elements if it is a metallic or a non-metallic element. Write A if it is metallic then write B if it is non-metallic.

1. P
2. Na
3. S
4. Mg
5. B


C. Write the chemical formula of each molecular compound under the representative elements. Apply what you have learned in writing chemical formulas during the 1st grading period.

1. carbon dioxide
2. carbon monoxide
3. hydrogen peroxide
4. sulfur dioxide
5. nitrogen dioxide​

ACTIVITY 3 A Identify If The Element Belongs To The Representative Block Or Not Write YES If The Element Is A Representative Element And Write NO If It Is Not 1 class=

Sagot :

Thrishamae2007idn

A. Identify if the element belongs to the representative block or not. Write YES if the element is a representative element and write NO if it is not.

1. YES

2. NO

3. YES

4. NO

5. YES

B. Classify the following representative elements if it is a metallic or a non-metallic element. Write A if it is metallic then write B if it is non-metallic.

1. B

2. A

3. B

4. A

5. B

C. Write the chemical formula of each molecular compound under the representative elements. Apply what you have learned in writing chemical formulas during the 1st grading period.

1. CO2

2. CO

3. H2O2

4. SO₂

5. NO₂