Periodic Trends

The _____ do not have defined values for electronegativity.

• alkaline earth metals

• alkali metals

• noble gases

• halogens

The elements in group 3-12 are the

• alkaline earth metals

• alkali metals

• transition metals

• halogens

When electrons that are blocked from the full force of the nucleus' positive charge

• shielding

• inner transition metals

• valence

• electronegativity

Tendency for an atom to attract electrons when chemically bonded to another atom.

• shielding

• valence

• ionization

• electronegativity

The energy required to remove the 2nd most loosely held electron.

• 2nd Ionization Energy

• 1st Ionization Energy

• 2nd Electonegativity

• 1st Electronegativity

The anion form of an atom is always ______ than its neutral form.

• smaller

• larger

• the same

• unable to tell

The cation form of an atom is always ____ than its neutral form.

• smaller

• larger

• the same

• unable to tell

The ___ of an atom is found by measuring the distance between the nuclei of two like atoms and halving the distance.

• electronegativity

• atomic size

• ionic size

• ionization energy

Which atom has the smaller atomic size?

• As

• Br

Which atom has the larger electronegativity?

• B

• In