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BBer ch4 Word Scramble

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Question	Answer
nucleus	the dense, positively charged mass located in the center of an atom
Dalton's Theory	Dalton proposed the theory that all matter is made up of individual particles called atoms, which cannot be divided.
Thomson's model of the atom,	the negative charges were evenly scattered throughout an atom filled with a positively charged mass of matter. The model is called the “plum pudding” model, after a traditional English dessert.
Rutherford's model,	all of an atom's positive charge is concentrated in its nucleus
proton	a positively charged subatomic particle that is found in the nucleus of an atom
electron	a negatively charged subatomic particle that is found in the space outside the nucleus of an atom
neutron	neutral subatomic particle that is found in the nucleus of an atom
atomic number	a unique number for each element that equals the number of protons in an atom of that element
mass number	the sum of the number of protons and neutrons in the nucleus of an atom
isotopes	atoms of a given element that have different numbers of neutrons and different mass numbers
energy levels	the possible energies that electrons in an atom can have
electron cloud	visual model of the most likely locations for the electrons in an atom
orbital	a region of space around the nucleus where an electron is likely to be found
electron configuration	the arrangement of electrons in the orbitals of an atom
ground state	a state in which all the electrons in an atom have the lowest possible energies