Periodic Table

What is the mass number of the following isotope?

Which type of chemical reaction releases energy?

Use the symbol below.  How many protons?

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

Use the symbol below.  How many neutrons?

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

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

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

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

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)

The mass number represents the number of protons and ___________

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

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

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?

The atomic number identifies the number of ___________ OR ____________

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

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

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

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

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

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

What is the atomic number for the following isotope?

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