18 (ii)
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.
c) their physical properties are same.
d) cannot say anything about their chemical properties.
Answers
Answered by
1
Answer:
d) cannot say anything about their chemical properties.
Answered by
0
Answer:
a) their chemical properties are same
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