Periodic Trends Flashcard

Front

Which periodic trend is described correctly?

Back

Electronegativity decreases down the group and increases across the period.

Front

Which property decreases down group 1? Options: First ionization energy, Atomic Radius, Reactivity, Ionic Radius

Back

First ionization energy

Front

Which statement about the numbers of protons, electrons and neutrons in an atom is always correct?

Back

The number of protons equals the number of electrons.

Front

Trend in atomic radius across period 3 of the periodic table?

Back

It decreases

Front

Electronegativity

Back

The ability of an atom to attract electrons

Front

Element in Group 17, Period 2 of the periodic table?

Back

Fluorine (F)

Front

Element in Group 16, Period 3 of the periodic table?

Back

Sulfur (S)

Front

Which element has the lowest first ionization energy? Lithium (Li), Sodium (Na), Potassium (K), Cesium (Cs)

Back

Cesium (Cs)

Front

What is the general trend of ionization energy across the periodic table?

Back

Increases across a period and decreases down a group

Front

Which element has the highest electronegativity? Options: Fluorine (F), Oxygen (O), Chlorine (Cl), Nitrogen (N)

Back

Fluorine (F)