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How many valence electrons do elements want (except for Hydrogen and Helium) in order to feel stable?
increases
atomic number
7
increases
8
neutral
17
properties
Elements in same group have similar
increases
atomic number
7
increases
8
neutral
17
properties
Elements are arranged in order on periodic table by their
increases
atomic number
7
increases
8
neutral
17
properties
What charge does a neutron have
increases
atomic number
7
increases
8
neutral
17
properties
What happens to an element's atomic size as you go from left to right and from top to bottom on the periodic table?
increases
atomic number
7
increases
8
neutral
17
properties
What happens to valence electrons as you go from left to right on the periodic table?
increases
atomic number
7
increases
8
neutral
17
properties
Elements in group 17 have how many valence electrons?
increases
atomic number
7
increases
8
neutral
17
properties
The most reactive group of non-metals are located in what group?
increases
atomic number
7
increases
8
neutral
17
properties
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