Unit 4 vocabulary Word Scramble
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Term | Definition |
Atomic mass | average mass of one atom of an element. |
Periodic table | a chart where all elements are organized into periods and groups according their properties. |
Chemical symbol | |
Period | a row of elements in the periodic table arranged by atomic number. |
Group | column of elements in the periodic table, in which elements have certain properties in common |
Matter | |
Element | |
Compound | matter made of two or more elements. |
Atom | |
Electron | negativley charged particle found outside the nucleus of an atom. |
Nucleus | |
Proton | positivley charged particle located in the nucleus of an atom. |
Neutron | |
Energy levels | the element if energy carried by an electron in an atom. |
Isotope | atoms of the same element with different numbers of neutrons in the nucleus, and this different atomic masses. |
Mass number | the sum of protons. |
Atomic number | number of protons in the nucleus of one atom of an element. |
Metal | elements, usually solid, with a shiny surface. |
Melleable | |
Ductible | |
Conductivity | transfer to heat from a warmer substance to a cooler substance |
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