Periodic Table of Elements

Question 1

Elements are organized by _____ atomic numbers

Answer 1

Increasing

Question 2

The columns of periodic table are called

Answer 2

Groups

Question 3

The rows of the periodic table are

Answer 3

Periods

Question 4

1st two rows of the periodic table

Answer 4

Active Metals; Alkali and Alkaline Earth Metals

Question 5

Middle of the periodic table

Answer 5

Reactive Metals; Transition Elements

Question 6

Elements in far right column of the periodic table

Answer 6

Inactive gases; Noble Gases

Question 7

Go from left to right in order of increasing atomic number

Answer 7

Columns of Periodic Table

Question 8

Has one valence electron

Answer 8

1st column (group 1)

Question 9

Has 2 valence electrons

Answer 9

2nd Column (group 2) and so on…

Question 10

Go from top to bottom in order of increasing atomic #

Answer 10

Rows

Question 11

First row contains __ valence electrons

Answer 11

2 (period 1)

Question 12

Second row has ____ valance electrons

Answer 12

8 (period 2) and so on…

Question 13

Rows and Columns are also known as

Answer 13

Periods and Groups

Question 14

Elements that do not fit perfectly into periodic table

Answer 14

Transition elements/ Metalloids (bottom 2 rows)

Question 15

Elements atomic # is known as the

Answer 15

Integer

Question 16

Usually shown as a whole # without a decimal

Answer 16

Atomic # or Integer

Question 17

Shown as a decimal to account for the elements various forms of isotopes

Answer 17

Atomic Mass