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The element in the periodic table with 17 protons is
chlorine.
atomic number.
Dmitri Mendeleev
Na
vertical columns in the periodic table.
valence electrons
radon
protons plus the number of neutrons.
The noble gas in period 6 is called
chlorine.
atomic number.
Dmitri Mendeleev
Na
vertical columns in the periodic table.
valence electrons
radon
protons plus the number of neutrons.
Groups (or families) are
chlorine.
atomic number.
Dmitri Mendeleev
Na
vertical columns in the periodic table.
valence electrons
radon
protons plus the number of neutrons.
Elements in the periodic table are arranged by
chlorine.
atomic number.
Dmitri Mendeleev
Na
vertical columns in the periodic table.
valence electrons
radon
protons plus the number of neutrons.
The father of the periodic table of the elements is
chlorine.
atomic number.
Dmitri Mendeleev
Na
vertical columns in the periodic table.
valence electrons
radon
protons plus the number of neutrons.
The number of __________________ determines the reactivity of a group of elements.
chlorine.
atomic number.
Dmitri Mendeleev
Na
vertical columns in the periodic table.
valence electrons
radon
protons plus the number of neutrons.
The element in Group 1, period 3 is
chlorine.
atomic number.
Dmitri Mendeleev
Na
vertical columns in the periodic table.
valence electrons
radon
protons plus the number of neutrons.
Mass number of an element is equal to the number of
chlorine.
atomic number.
Dmitri Mendeleev
Na
vertical columns in the periodic table.
valence electrons
radon
protons plus the number of neutrons.
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