Periodic Trends (APA)

Periodic Trends (APA)

Multiple Choice

What is one-half the distance between the nuclei of identical atoms that are bonded together?

• atomic radius

• atomic diameter

• atomic width

• atomic length

Multiple Choice

As you move down a group, atomic radius increases because - 

• you add more and more neutrons
• you add more and more protons
• you add more and more shells (energy levels)
• you add more atomic mass

Multiple Choice

What is the amount of energy required to remove an electron from an atom?

• atomic energy

• ionization energy

• ionic energy

• electron energy

Multiple Choice

What is a positively-charged ion which forms when an atom loses electrons?

• atom

• ion

• cation

• anion

Multiple Choice

What is a negatively-charged ion which forms when an atom gains electrons?

• cation

• anion

• electron

• ion

Multiple Choice

What is a measure of the tendency of an atom to attract a bonding pair of electrons when the atom is in a compound?

• ionization energy

• electropositivity

• electronegativity

• electron energy