This family is very reactive metal elements with low densities. When they are combined with water they can explode.

(a)  

This family is made up of elements that combine to make salts. Most are nonmetals.

(a)  

This family contains elements with low reactivity. They rarely combine with other elements and have full outside energy levels.

(a)  

This family contains the metals found in group 2 on the periodic table.

(a)  

True or False: Germanium is found in period 3, group 12.

(a)  

True or False: The rows on the periodic table are called groups.

(a)  

True or False: The elements are arranged on the periodic table based off of the way they look and act.

(a)  

True or False: Nitrogen has 7 valence electrons.

(a)  

True or False: The periodic table was developed as a way to organize the elements.

(a)  

True or False: Dmitri Mendeleev arranged the first periodic table using the element's atomic mass.

(a)  

What group is chlorine in on the periodic table?

(a)  

What period is chlorine in on the periodic table?

(a)  

Is chlorine a metal, nonmetal or metalloid?

(a)  

What family is chlorine located in on the periodic table?

(a)  

How many valence electrons does strontium have?

(a)  

How many valence electrons does Tin have?

(a)  

How many valence electrons does selenium have?

(a)  

How many valence electrons does lithium have?

(a)  

How many valence electrons does krypton have?

(a)