Chemistry periodic table

How is the periodic table organized?

• neutrons

• protons

• mass number

• electronegativity

Tags

NGSS.HS-PS1-2

Each row in the periodic table is called a 

• group
• period
• cluster
• unit

Each column in the periodic table is called a 

• period
• group/family
• cluster
• unit

Which group/family of the periodic table is composed of inert (not reactive) gases? They are the ones boxed in in red in the picture.

• alkali metals
• alkaline earth metals
• halogens
• noble gases

The blue elements are called 

• metals
• nonmetals
• metalloids
• noble gases

The atoms along the staircase are called 

• metals
• nonmetals
• metalloids
• noble gases

How many valence electrons does Iodine have?

• 6
• 16
• 7
• 17

Elements in the same ________ are more chemically similar.

• group/family
• period
• club
• table

Which of the following is NOT a property of metals?

• conductive
• malleable
• lustrous
• brittle

How many valence electrons does sodium have?

• 1
• 2
• 3
• 4