Periodic Table

Front

Every element has a unique number of _______________.

Back

protons

Front

The chemical properties of an element are determined by the number of _______________.

Back

valence electrons

Front

What subatomic particle is found in the nucleus and is neutral?

Back

neutron

Front

Hydrogen and Helium have similar physical and chemical properties. True or False?

Back

False

Front

What are the blue elements (those on the right) in the periodic table?

Back

nonmetals

Front

What is the smallest unit of an element that retains its properties?

Back

atom

Front

What is the term for elements that have similar properties and are in the same column of the periodic table?

Back

group or family

Front

What is the term for the horizontal rows in the periodic table?

Back

periods

Front

Which subatomic particle has a positive charge?

Back

proton

Front

What is the term for elements that can conduct electricity and heat well?

Back

metals