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Only certain elements have electrons capable of forming double bonds in their outer electronshell. Also, size plays a major role in the possibility of forming double bonds. If the pi orbitals of the two atoms can overlap then they will be able to make a strong double bond. If the atom is too big then the pi orbital won't be able to overlap with its neighboring atom; preventing it from forming a double bond. Only C,N,O,P,S are able to form double bonds.

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Q: Why can only certain elements form double bonds?
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What is the compatibility of neon with other elements?

No, it doesn't normally react with other elements.


How many chemical bonds can oxygen make?

Without hybridization, oxygen has a valence electron configuration of 2s22p4. Which means it has 2 unpaired electrons; therefore it can form 2 bonds.


What are three characteristics of carbon that contribute to the diversity of organic compounds?

Carbon can bond with other carbon atoms making long carbon chains. Carbon can form strong pi-bonds allowing for double and triple bonds between carbon atoms as well, and the carbon-carbon pi-bonds can be delocalized for additional stability in rings.


Why si doesnot form double bond with oxygen?

Silicon DOES form double bonds. In fact, something like 70% of the Earth's crust is made of minerals containing double-bonded silicon... feldspar is the most abundant mineral in the Earth's crust, and it is mainly made of silicates. Silicates are silicon-oxygen compounds. Most commonly, silicon double bonded to two oxygens with another two single bonded oxygens (to make SiO4(2-)), but SiO2, silicon double bonded to 2 oxygens, is also fairly common.The reason why there are fewer double bonded compounds with bigger elements (ie, further down the table) is because double bonds are shorter than single bonds, forcing the atoms' nucleii closer together. In the case of bigger atoms, the large nucleii make this difficult.


How do atoms of different elements combine?

there are various bonds formed to form compounds 1 ionic bonds- bond formed from electrostatic attraction eg NaCl 2 covalent bond -two elements share electrons eg O2, Cl2 3 dalton bond or co ordinate covalent bond - dative bond is a covalent bond where both electrons come from the same atom. NH3 -BF3