A covalent bond forms due to . a. Sharing of electrons
b. Transfer of electrons
c. Losing or gaining electrons
d. All of the above

a.Sharing of electrons

Explanation:

The bond formed between the two atoms by mutual sharing of electrons so as to complete their octets or duplets (in case of elements having only one shell) is called covalent bond or covalent linkage.

Explanation:

The" sharing" of electrons between two non-metal elements.

the "dirty dozen" chemicals banned in an international treaty are formally known as persistent organic pollutants, or pops. the united nations environment program provided this background on what they are and what they can do to humans and wildlife.

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primary succession occurs in essentially lifeless areas regions in which the soil is incapable of sustaining life as a result of such factors as lava flows, newly formed sand dunes, or rocks left from a retreating glacier. secondary succession occurs