Science Vocab. 5 Word Scramble
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Term | Definition |
Atom | the smallest particle of an element that still retains the properties of the element |
Atomic Number | number of protons in an nucleus |
Average Atomic Mass | weighted-average mass of the mixture of an elements isotopes |
Electron | particles surrounding the center of an atom that have a charge |
Electron Cloud | area around the nucleus of an atom where the atoms electrons are most likely to be found |
Electron Dot Diagram | uses the symbol for an element and dots representing the number of electrons in the elements outer energy level |
Group | vertical column in the periodic table |
Isotope | atoms of the same element that have different numbers of neutrons |
Mass Number | sum of the number of protons and neutrons in an atoms nucleus |
Neutron | neutral particle composed of quarks inside the nucleus of an atom |
Nucleus | positively charged center of an atom that contains protons and neutrons and is surrounded by a cloud of electrons |
Period | horizontal row in the periodic table |
Periodic Table | organized list of all known elements that are arranged by increasing atomic number and by changes in chemical and physical properties |
Proton | particle composed of quarks inside the nucleus of an atom that has a charge of 1+ |
Quark | particles of matter that make up protons and neutrons |
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