Periodic Table & Periodic Trends

Front

What is the trend in atomic radii across a period in the Periodic Table?

Back

Atomic radii decrease from left to right across a period.

Front

What is the trend in atomic radii down a group in the Periodic Table?

Back

Atomic radii increase from top to bottom in a group.

Front

Which element in group 2 period 4 is represented by the symbol Ca?

Back

Calcium (Ca).

Front

What is the reactivity of alkali metals?

Back

Alkali metals are highly reactive since they lose 1 electron easily to form ions.

Front

Which element has the highest electronegativity among W, X, Y, and Z?

Back

W.

Front

What is the trend in ionization energy across a period in the Periodic Table?

Back

Ionization energy generally increases from left to right across a period.

Front

What is the trend in electronegativity down a group in the Periodic Table?

Back

Electronegativity generally decreases from top to bottom in a group.

Front

Which group of elements has the same number of valence electrons: fluorine, chlorine, bromine, or iodine?

Back

Fluorine, chlorine, bromine, and iodine all have the same number of valence electrons.

Front

What is the greatest ionization energy among fluorine, chlorine, bromine, and iodine?

Back

Fluorine has the greatest ionization energy.

Front

What is the definition of electronegativity?

Back

Electronegativity is the ability of an atom to attract electrons in a chemical bond.