Question

2. Elements A, B, C and D have atomic numbers 1, 8, 11 and 19, respectively. Choose
the odd element and give reason for your answer.
science class 10th​

Answer 1

Answer:

oxygen with atomic no.8 is the odd one

Explanation:

the elements with the atomic no.'s1,11,19 belongs to 1st group in periodic table.so,they pocesses some similar properties.