The Periodic Table

Question 0

A Column is a

Answer 0

Group

Question 1

A row is a

Answer 1

Period

Question 2

The number of e- is equal to

Answer 2

The atomic number

Question 3

The number of neutrons in an isotope is

Answer 3

The mass number minus the atomic number

Question 4

Why do atoms in the same group react the same

Answer 4

Reactions occur when 2 atoms collide or when then outermost electrons colide. Atoms in the same groups have the same # of V e-

Question 5

Isoelectric

Answer 5

Atoms and ions that have identical e- configurations

Question 6

Differentiating electrons

Answer 6

The e- in a neutral element that makes it different from the previous elements

Question 7

These elements under normal conditions are liquids

Answer 7

Mercury and bromine

Question 8

The metallic character of the elements increases from________ of the periodic table

Answer 8

Top to bottom

Question 9

Melting and boiling point of metals tents to _______ from top to bottom of a group

Answer 9

Decrease

Question 10

Nonmetal a tend to ___________ from top to bottom of a group in Melting and boiling points

Answer 10

Increase

Question 11

Atomic radius ________ from too to bottom of a group because ________

Answer 11

Increases

Each increase in period number invokes another larger energy level

Question 12

Atomic radius _________ from left to right due to _______

Answer 12

Decrease

An increase in the effective nuclear charge

Question 13

Core electrons

Answer 13

Nonvalence electrons

Question 14

Core electrons guard valence electrons from

Answer 14

A positive nuclear charge

Question 15

Ionization energy

Answer 15

Energy needed to remove an e- from an atom completely

Question 16

Ionization energy is a _______ reaction because _______

Answer 16

Endothermic

Energy is needed to be added kt remove an e-

Question 17

First ionization energy generally _______ from left to right

Answer 17

Increases

Question 18

First ionization generally _______ from top to bottom

Answer 18

Decreases

Question 19

Electron affinity

Answer 19

Energy change that accompanies the addition of an e- an atom

Question 20

_____ has the highest electron affinity

Answer 20

Fluorine

Question 21

_______ has the lowest electron affinity

Answer 21

Francium

Question 22

Atoms located near ______ seem to accept electrons more readily

Answer 22

Fluorine

Question 23

______ has the highest electronegativity

Answer 23

Fluorine

Question 24

______ has the lowest electronegativity

Answer 24

Francium