Periodic trends

11 practice questionsGeneral ChemistryStep-by-step solutions

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Across a period from left to right, atomic radius generally does what?

A.Decreases

B.Increases

C.Stays exactly constant

D.Becomes infinite

Elements in the same vertical column (group) of the periodic table have the same number of:

A.Neutrons

B.Valence electrons

C.Protons

D.Isotopes

Which group of elements is the most chemically unreactive?

A.Noble gases

B.Alkali metals

C.Halogens

D.Alkaline earth metals

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