Dkdk
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Two elements cannot contain the same total number of proton as protons define atoms as a certain element. They can, however, have a different number of neutrons.
they contain the same elements in the same ratio.
no its ions
Isotopes of all chemical elements contain a different number of neutrons; only the number of protons and electrons (in neutral atoms) is the same.
Elements that have the same number of energy levels are grouped together in what is called a period.
the atoms of certain elements all contain the same #of
The number of elements that contain the same type of outer electrons as sodium is 11.
what term describes elements that contain the same number of valence electrons
All of the elements in group 1 on the periodic table contain the same number of outer electrons as sodium, which is 1.
elements with the same number of protons but different number of electrons are called ions.
Two elements cannot contain the same total number of proton as protons define atoms as a certain element. They can, however, have a different number of neutrons.
they contain the same elements in the same ratio.
no its ions
Atoms.
group
Isotopes of all chemical elements contain a different number of neutrons; only the number of protons and electrons (in neutral atoms) is the same.
Elements that have the same number of energy levels are grouped together in what is called a period.