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0 in the elemental form, +2 in its compounds.
Helium has completely filled orbitals. hence it is chemically inert (non reactive) and is found in its pure elemental form.
No, they are rarely found in elemental form.
0 in elemental form and 2+ in its compounds.
The term is "minerals." Few elements are found in their pure elemental form, and they are mostly metals.
0 in the elemental form and +2 in its compounds
In nature, titanium is always found as a compound, not as a pure metal. Titanium is highly reactive (although less reactive alloys can be made from it).
Neon is essentially inert and does not form compounds in the ordinary sense. As you suggest it occurs in it elemental form and is recovered from air. Please see the link.
0 in elemental form +2 in its compounds
0 in the elemental form, +3 in its compounds.
0 in elemental form +1 in its compounds
0 in the elemental form +2 in its compounds
0 in elemental form +3 in its compounds
0 in elemental form, +3 in its compounds
0 for the elemental form +2 in its compounds
0 in elemental form +3 in its compounds
0 in the elemental form, +3 in its compounds.