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determine if the pair of elements are isotopes or different elements.Element D has 6 protons and 7 neutrons. Element F has 7 protons and 7 neutrons
Different
determine if the pair of elements are isotopes or different elements.Element J has 27 protons and 32 neutrons. Element L has 27 protons and 33 neutrons
isotope
What three particles are found in an atom?
Which two particles are found in an atom’s nucleus?
Label the four facts shown about each
In what order did Mendeleev arrange the elements in the periodic table?
atomic mass
What do elements in the same column in the periodic table have in common?
share same characteristics
What do elements in the same row in the periodic table have?
Arrange in pattern
An element’s _______ is its row in the periodic table.
period
The of an element is the average mass of all isotopes of that element.
atomic mass
A(n) is an abbreviation for the name of an element and usually has either one or two letters.
chemical symbol
find the atomic number and the atom
sulfur , 16
