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atoms and periodic t

what is a proton? its a positively charged particle and found in the nucleus of an atom
what is an electron? it is a negatively charged particle found on the outer sell of an atom.
what is a neutron? a naturally charged particle found in the nucleus
what element has a symbol of Be? beryllium
what is period? its is a group that goes across the periodic table
how was the periodic table arranged? by the atomic number
what is a group? it is a column that goes down the periodic table
what is the atomic number for carbon? 6
what is the atomic mass of boron? 10
what is the symbol for the element 112 Uub
Created by: fatimaencarnac9