Question

The atomic masses of element P and Q are 6 and 7 and their atomic number are 3
a. Their chemical properties are sante.
Their chemical and physical properties both are same.
Their physical properties are same,
Cannot say anything about their chemical properties.​

Answer 1

Answer:

The atomic masses of element P and Q are 6 and 7 and their atomic number are 3 a. Their chemical properties are same. b. Their chemical and physical properties both are same