6grade chapter 11-1 Word Scramble
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Question | Answer |
Number of protons in the nucleus of an atom. | Atomic Number |
Atom that has the same number of protons as other atoms of the same element do but that has a different number of neutrons. | Isotope |
Sum of numbers of protons and neutrons in the nucleus of an atom. | Mass Number |
The mass of an atom expressed in atomic mass units. | Atomic Mass |
Greek philosopher who believed atoms could be cut into small pieces. | Aristotle |
Greek philosopher who believed atoms were single material and could be cut into small pieces. | Democritus |
English scientist who believed atoms were small particles that could not be cut, divided , or destroyed . | Dalton |
Plum Pudding Model. He believed electrons moved through the atoms.Looked like a ball with push pins in it. | Thomson |
Discovered the nucleus was positively charged part of an atom and found in the center of an atom. | Rutherford |
Discovered energy level. | Bohr |
Named the area where the electrons are found the electron cloud. | Modern Atomic Theory |
Number of protons in the nucleus of an atom. | Atomic Number |
Atom that has the same number of protons as other atoms of the same element do but that has a different number of neutrons. | Isotope |
Sum of numbers of protons and neutrons in the nucleus of an atom. | Mass Number |
The mass of an atom expressed in atomic mass units. | Atomic Mass |
Greek philosopher who believed atoms could be cut into small pieces. | Aristotle |
Greek philosopher who believed atoms were single material and could be cut into small pieces. | Democritus |
English scientist who believed atoms were small particles that could not be cut, divided , or destroyed . | Dalton |
Plum Pudding Model. He believed electrons moved through the atoms.Looked like a ball with push pins in it. | Thomson |
Discovered the nucleus was positively charged part of an atom and found in the center of an atom. | Rutherford |
Discovered energy level. | Bohr |
Named the area where the electrons are found the electron cloud. | Modern Atomic Theory |
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