What type of chemical bond forms when two atoms share electrons?
AnswerCovalent
In a covalent bond, atoms share pairs of electrons.
Science · Facts & stats
Bond facts & stats
7 fact-checked facts about chemical bonds and financial bonds, each with the reason behind it. 5 more are in today's round and join this page after it closes.
The basics
What is the date called when a bond's principal is repaid?
AnswerMaturity date
At maturity, the issuer repays the bond's face value.
Going deeper
What is a bond's regular interest payment traditionally called?
AnswerCoupon
Paper bonds once had detachable coupons that holders clipped to collect interest.
How many electrons are shared in a double covalent bond?
AnswerFour
A double bond shares two pairs of electrons, four in total.
Which type of bond links amino acids together in a protein chain?
AnswerPeptide bond
Peptide bonds join the amino group of one amino acid to the carboxyl group of the next.
Expert level
A bond that pays no periodic interest and is sold below face value is called what?
AnswerZero-coupon bond
Its return comes from the gap between the discounted price and the face value.
Which scientist created the electronegativity scale widely used to predict bond types?
AnswerLinus Pauling
Pauling introduced his electronegativity scale in 1932.
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