Practice periodic table test

Fill in the blank. The Periodic Table is organized by _____, which have similar physical and chemical properties, shown in different colors.

• groups

• families

• periods

• shells

Fill in the blank. The Periodic Table is organized by _____ , which tells you how many electron shells the element has.

• groups

• families

• periods

• shells

Fill in the blank. The Periodic Table is organized by _____, which all have the same number of valence electrons (outer electrons).

• groups

• families

• periods

• shells

Bread turning moldy- Is this a physical or chemical change?

• physical change

• chemical change

A melting snowman- Is this a physical or chemical change?

• physical change

• chemical change

Sugar being stirred in water- Is this a physical or chemical change?

• physical change

• chemical change

What is NOT true about the Law of Conservation of Mass? In a chemical reaction…

• matter is not created.

• matter is not destroyed.

• all of the atoms that are present at the start of the reaction are present at the end.

• there are the same number of atoms before and after the reaction, they just rearrange.

• All of the statements are true.

Which family is made up of elements that are 1) hard and shiny, 2) good conductors of electricity, 3) malleable and ductile?

• metals

• nonmetals

• semimetals

Which family is made up of elements that have properties of both metals and nonmetals?

• metals

• nonmetals

• metalloids

Which family is made up of elements that are 1) most gases 2) good insulators 3) are not malleable and ductile?

• metals

• nonmetals

• semimetals