Chemistry Prior Knowledge

Oxygen (atomic #8) has how many electrons in the outer energy orbital?

Matter may exist as a

Which particle in an atom has a positive charge?

The nucleus of an atom contains

96% of a living organism is made of _______________, hydrogen, oxygen and nitrogen.

The type of bond when two atoms share a pair of electrons

Which part of an atom determines its chemical characteristics?

The atomic number of an atom is the

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The type of bond that is formed when one atom gives an electron to the other atom

Carbon has an atomic number of six.  How many electrons are in its outer electron orbit?

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The center of the atom is called the

Carbon has an atomic number of 6.  How many protons and electrons does it have?

How many MORE electrons does Carbon need to complete its outer electron orbital?

All matter is made up of

How many electrons does it take to complete the first energy orbit?

Which particle in an atom has a neutral charge?

Which particle in an atom has a negative charge?

You can find out the atomic number of an element by

Which part of an atom is involved in making chemical bonds?

The 2nd energy orbital is complete when it has  _________ electrons.

The lines in this formula represent

When two or more atoms combine, you get a _________________.