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Atoms

Across
Element with an atomic mass of 9.
Atoms with the same number of protons but different number of neutrons.
Element with an atomic number of 37.
The number of protons in the nucleus of an atom and written as the whole number on the periodic table.
The number of protons and neutrons in the nucleus of an atom.
A way to write out the various isotopes of an element.
Element with the symbol Ag.
The charge of a proton.
Element with an atomic number of 53.
Determines the isotope number of an element.
Down
The weighted average of the masses (in amu) of the naturally occurring isotopes of an element.
Part of the atom that takes up the most volume.
The part of the atom that contains protons and neutrons.
Element with 56 electrons.
A hydrogen element with one proton and one neutron.
Making both sides of an equation equal.
The charge of an electron cloud.
The part of an atom with the smallest mass.
Element with the symbol As.
Element with 16 neutrons.