Periodic trends

Question 1

one-half of the
distance between the nuclei of two adjacent
atoms when they are closest together

Answer 1

Van Der Waals Radius

Question 2

Increase top to bottom, left to right decrease

Answer 2

Atomic Size, Metallic Property

Question 3

Decrease top to bottom, left to right increase

Answer 3

First Ionization Energy, Electronegativity, Electron affinity

Question 4

looseness of the
outermost electrons

Answer 4

Metallic Property

Question 5

measure of the energy
change that occurs when an atom gains an
electron and forms a negative ion

Answer 5

Electron Affinity

Question 6

measure of an atom’s
ability to attract a pair of electrons when
bonded to another atom

Answer 6

Electronegativity

Question 7

energy needed to
remove an atom’s most loosely held electron

Answer 7

First ionized energy