FOUNDATION · Science
Journey Inside the Atom
33 practice questions for Foundation — 15 easy · 12 medium · 6 hard. Every question is graded instantly with a step-by-step solution when you miss it.
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MCQ
Carbon-14 is used in:
MCQ
In the notation ²³⁵₉₂U, the number of neutrons is:
MCQ
Which pair of elements have the same number of valence electrons?
MCQ
An atom has electronic configuration 2, 8, 8, 2. Its valency is:
MCQ
The correct increasing order of energy of shells is:
MCQ
In Chadwick's experiment, beryllium was bombarded with:
MCQ
Which element has 8 electrons in its L shell?
MCQ
According to Bohr's model, electrons do not radiate energy when:
MCQ
The valency of carbon is 4 because:
MCQ
Which statement about isotopes is TRUE?
MCQ
The number of neutrons in ²⁷₁₃Al is:
MCQ
The electronic configuration of chlorine (Z=17) is: