Classification of elements into blocks — task. Science TNSB Mentoring, Class 9.

Choose the right option given below:

1. Classification of elements into blocks based on.

arrangement of neutron subshells
arrangement of proton in subshells
arrangement of electron in atom
arrangement of electron in subshells

2. s-Block group \(1\) elements are named as?

rare metals
earth metals
alkali metals

Login or Fast registration

Exit to the topic

Did you find an error?