Question

function that FA Quick check! 1. Write the symbols of these elements and check if they are correct. i. Silver iii. Potassium ii. Chlorine iv. Copper Sulphur vi. Nitrogen vii. Calcium viii. Iron V. 2. What is the difference between Hand H,? 3. Can you now write the formula of carbon dioxide? (Hint: It is made up of one atom of carbon and two atoms of oxygen.) class 6 chapter pure substances elements and compounds ​

Answer 1

1. Ag, K, Cl, Cu, S, N, Ca, Fe

2. couldn't understand your question

3. CO2