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does anyone know the three answers Question 1 which element is in group 5 period 2?, question 3 which element is in group 6 period 2?, question 4 which element is in group 8 period 1? this IPC it is both Integrated Physics and Chemistry

Respuesta :

Explanation:

1. Nitrogen

3. Oxygen

4. Helium

look into the periodic system

question 1: nitrogen

question 3: oxygen

question 4: helium