Calcium can make two bonds because it is in the same group as oxygen.
calcium is divalent so forms two bonds
2 bonds
I make it 36, as well as 6 double bonds and a benzene ring.
Two bonds in total. The oxygen atom forms two covalent bonds, one to each of two hydrogen atoms. This can be represented as H - O - H.
Helium does not form any bonds unless it is ionized using a tremendous energy. And it undergoes nuclear reactions when there is a high temperature such as the sun's surface.
Sulfur can make 2, 4 or 6 bonds. Examples of compounds with these valencies for sulfur are iron(II) sulfide, FeS, sulfurous acid, H2SO3, and sulfur hexafluoride, SF6 respectively. Of course, the numbers in the formulae should be subscripts.
None. helium doesnt react with any other element
Calcium, Ca, forms ionic bonds. It loses electrons to become the Ca2+ ion
0 bonds
4
2
1
Barry Bonds was born July 24, 1964, in Riverside, CA, USA.
Bobby Bonds was born March 15, 1946, in Riverside, CA, USA.
Calcium is a metal, hence it has metallic bonds.
I make it 36, as well as 6 double bonds and a benzene ring.
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Bobby Bonds died August 23, 2003, in San Carlos, CA, USA.
A nitrogen atom can form three bonds at most as it shows valency of three.