Question

Which of the following statements is true?

The number of electron shells in an atom is called the atomic number.
Boiling and melting points are chemical properties.
A molecule of oxygen can have atoms of carbon in it.
Elements are substances made of only one type of atom.

Answer 1

Answer:

a HD Fu kg FM FM get log Yh Jun l

Answer 2

(I), (iv) are true

Hope it helps

Please mark me as brainliest and also follow me