help guys pls is urgent!

help guys pls is urgent!

1. What is the first element on the periodic table?

2. What is the centre of an atom called?

3. True or false? Acids have a pH level below 7.

4. What is the main gas found in the air we breathe?

5. True or false? An electron carries a positive charge.

6. Famous New Zealand scientist Ernest Rutherford was awarded a Nobel Prize in which field?

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