Biochemistry Flashcards

5027854870	atom	the basic unit of matter	0
5027861311	subatomic particles	protons, neutrons, and electrons	1
5027868225	protons	positively charged particles found in the nucleus	2
5027874296	neutrons	have no charge, are found in the nucleus	3
5027882452	electrons	negatively charged particles found in the nucleus	4
5027888605	protons and neutrons share	the same mass	5
5027899710	there are always equal numbers of	protons and electrons	6
5027903752	mass number	protons plus neutrons	7
5027908137	atomic number	number of protons	8
5027915194	Bohr's model		9
5027921151	A decimal point in the mass number indicates	it has isotopes	10
5027925746	Schroedinger's model		11
5027929202	isotopes	different forms of an element: they contain the same proton(atomic)number, but different numbers of neutrons, making their mass numbers different	12
5027942892	element	pure substance that contains only one type of atom	13
5027950551	compound	substance formed by chemical combination of two or more elements in a fixed proportion	14
5245662627	valence electrons	electrons found in the outermost energy level of an atom	15
5245665348	octet rule	all atoms seek to have 8 valence electrons exception: hydrogen and helium which "want" and are satisfied with two	16