Periodic Table

Look at the symbol below.  How many protons would Sodium (Na) have?  

Two isotopes of carbon are C-12 and C-14.  How do these isotopes differ?

Use the symbol below.  How many electrons would Sodium (Na) have?

Use the symbol below.  How many protons?

What are the two properties that something has to have to be called matter?

A certain atom has 26 protons, 26 electrons, and 30 neutrons.  It's mass number is:

Elements having only one electron in the outer energy level is classified as:

Fuel combining with oxygen to produce heat is best described as a _______ reaction

According to present atomic theory, the location of an electron in an atom is best represented:

Use the symbol below.  How many neutrons?

What is the atomic number for the following isotope?

The mass number represents the number of protons and ___________

Having seven electrons in the outermost energy level is a characteristic of a:

The type of bond that occurs when electrons are shared is a(n):

A chemical sentence using chemical formulas to describe a chemical change is called a(n)

Substances found on the left of a chemical equation arrow are called:

Substances found on the right of a chemical equation arrow are called:

Which type of chemical reaction releases energy?

The type of bond that occurs when electrons are transferred is a(n):

The atomic number identifies the number of ___________ OR ____________

What is the mass number of the following isotope?

Which type of reaction will always have water and carbon dioxide as its products?

Use the symbol below.  How many neutrons does Sodium (Na) have?

The four phases of matter consist of solids, liquids, gases, and _________

Atoms of the same element with different numbers of neutrons are called: