Periodic Trends

Front

Which of the following elements has the largest atomic radius? Options: oxygen, sulfur, phosphorus, nitrogen

Back

phosphorus

Front

Of the halogens, which has the smallest radius? Options: F, Br, He, At

Back

F

Front

Which element in Period 2 has the greatest atomic radius? Options: Be, C, Na, Li

Back

Li

Front

Ionization energy is...

Back

how much energy it takes to remove an electron from an atom

Front

Electronegativity __________ from left to right within a period and __________ from top to bottom within a group.

Back

increases, decreases

Front

Which element has 3 valence electrons?

Back

E

Front

Which elements have the same number of valence electrons? Options: A & C, E & C, F & A, F & B

Back

F & A

Front

List the two most reactive families on the periodic table.

Back

Halogens & Alkali metals

Front

The tendency of an atom to attract a shared pair of electrons

Back

Electronegativity

Front

Which atom has the largest atomic radius? Options: potassium, rubidium, francium, cesium

Back

francium