Duhbla

T or F: Gold's element symbol is translated by Greek.

• True

• False

• Don't know

Yuri Oganessian or Yuri Oganesson

What is a electromagnet?

Who developed the periodic table?

Which year did Mendeleev develop the periodic table?

• 1768

• 1869

• 1658

• 1868

Is our WHOLE body made out of elements?

• Yes

• No

• Whatever

• I don't know

How many % of Phosphorus has take part our body?

How many % of Calcium has take part our body?

How many % of Nitrogen has take part our body?

How many % of Hydrogen has take part our body?