What it the main difference between an ionic and a covalent bond?
A. Both bonds are the same, but named different to describe different atoms involved.
B. The electrons in both types of bonding undergo an exchange.
C. One is the sharing of a pair of electrons, and the other is the transfer of at least one electron.
D. The electrons are traded between the two atoms and this keeps the atoms close.
E. One involves electrons, and the other does not involve any electrons.
Answer: C
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The inner core is
a. liquid due to its low density. b. liquid due to the intense heat at the center of the Earth. c. solid due to the immense pressure at the center of Earth. d. liquid due to its iron content. e. solid due to its iron content.
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a. more slowly than b. at the same speed as c. faster than d. twice as fast as e. at half the speed as
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A. random in age B. the same age C. older than D. younger than