periodic table 2.1 & 2.3

A row on the Periodic Table of Elements

• family

• period

• row

• isotope

Each column in the periodic table is called a 

• period
• group
• cluster
• unit

Elements which are shiny, conduct electricity and heat are called

• metal
• nonmetal
• metalloid
• nonexistent

Cr

(a)  

write the chemical symbols for carbon

(a)  

write the chemical symbols for cobalt

(a)  

write the chemical symbols for nitrogen

(a)  

write the chemical symbols for Neon

(a)  

write the chemical symbols for magnesium

(a)  

write the chemical symbols for chlorine

(a)