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Bonnie Branch
Bonnie Branch 8th gr: 3-2 Organizing Elements
Question | Answer |
---|---|
atomic mass | the average mass an element's atoms |
family | elements in the same vertical column of the periodic table; also called a group |
group | elements in the same vertical column of the periodic table; also called a family |
period | a horizontal row of elements in the periodic table |
periodic table | an arrangement of the elements in order of atomic number, in which elements with similar properties are grouped in columns |
mass number | number of protons + neutrons for 1 specific atom |