Periodic Table Trends: Electronegativity

Electronegativity refers to how strongly an atom _______ additional electrons.

• attracts

• repels

Which of the following numbers would correspond to a HIGHLY electronegative element?

• 1.2

• 2.0

• 0.8

• 3.7

Electronegativity generally increases as you move...

• down a group and to the right across a period.

• down a group and to the left across a period.

• up a group and to the right across a period.

• up a group and to the left across a period.

Which of the following correctly places the elements of Group 7 in order of INCREASING electronegativity?

• F, Cl, Br, I

• Cl, F, Br, I

• I, Br, Cl, F

• Br, Cl, I, F

Nitrogen (N) is ________ electronegative than Beryllium (Be).

• more

• less

As you move DOWN a group, there are _______ electrons and energy levels leading to a greater shielding effect and a ________ electronegativity value.

• more, higher

• more, lower

• less, higher

• less, lower

As you move to the RIGHT across a period, there are _______ protons in the nucleus leading to a ________ electronegativity value.

• more, higher

• more, lower

• less, higher

• less, lower

An element with a HIGH electronegativity value will attract electrons from a neighboring atom ____________ an element with a low electronegativity value.

• more easily than

• less easily than

• just as easily as

Which of the following has the HIGHEST electronegativity value?

• Sodium (Na)

• Lithium (Li)

• Cesium (Cs)

• Francium (Fr)

Which of the following elements has the HIGHEST electronegativity value?

• Phosphorus (P)

• Aluminum (Al)

• Chlorine (Cl)

• Sodium (Na)