Atomic Basics + Periodic Table

Each column in the periodic table is called a 

• period
• group
• cluster
• unit

Which group of the periodic table is composed of inert (not reactive)  gases?

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

Elements in a ..................have similar chemical properties.  

• period
• group
• row

A neutron has a charge of

• +2
• No charge
• -1
• +1

• Metals
• Nonmetals
• Metalloids

• Metals
• Nonmetals
• Metalloids

• Metals
• Nonmetals
• Metalloids

In the modern periodic table elements are arranged by:

• atomic mass
• atomic number
• valence electrons
• number of isotopes

What does the number in the top left corner represent?

• protons

• neutrons

A subatomic particle that has a negative charge

• nobles gases

• protons

• electrons

• neutrons