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Matter

Teacher: Mr Beall
Horizontales
The chart that shows the elements is known as the Periodic________
Smallest sub-atomic particle
Smallest particle of matter that contains the characteristics of an element
Of the known elements only 8 make up the Continental ___________
Atoms have the same number of protons and __________
Bonds that hold atoms together in a compound
Toms with the same number of protons but different numbers of neutrons are _____________ of an element
Verticales
Number of protons in an element is called the _______ number
Bonds formed when atoms share electrons
Substance that cannot be broken down into a simpler substance
Protons and neutrons are found here
The sum of the protons and neutrons of an atom is the __________ number
Bond that forms between positive and negatively charged atoms
Substance that consists of 2 or more elements that are chemically combined in specific proportions
The energy level of an atom that determines whether or not that atom is likely to form a chemical bond with 1 or more other atoms
Electrons in an atom's outermost energy level
Atom that has a chemical charge because of a gain or loss of 1 or more electrons