Mid Unit Review of Atoms and Chemical Bonds

What is the average atomic mass of C-10, C-20, and C-30?

Most atoms are stable with ___ valence electrons.

The Greek prefix for two is

MgO is an example of which type of compound?

The atomic number of an element is 5 and the mass number is 10, what is the number of neutrons?

Which of the following has a negative electric charge?

The dots on an electron dot diagram show that Sulfur is (has) ___________________.

The number of which subatomic particle determines the identity of an element?

The covalent prefix for naming chemical bonds for seven is

When making a proper chemical formula the ____ element is the first one written in the formula.

How many valence electrons do the elements in group fourteen have?

How are polyatomic ions bonded?

The most reactive metals on the periodic table are located in...

All of the following are true of ionic bonds except:

All metals are solids at room temperature except

The covalent naming prefix for four is

Metals have each of the following properties EXCEPT

The lanthanide and actinide series are part of which classification group of the periodic table?

The halogens are located in which groups?

Atoms of the same element with different number of neutrons are called