Select the correct answer from each drop-down menu. What causes atoms to form covalent bonds?
In a covalent bond, two atoms are held together by the attraction between
covalent bonds that an atom can form depends on the number of
The number of
in the atom
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How many atoms are in 2 moles of phosphorus

At a certain temperature the rate of this reaction is first order in hi with a rate constant of : 0.0632s2hig=h2g+i2g suppose a vessel contains hi at a concentration of 1.28m . calculate how long it takes for the concentration of hi to decrease to 17.0% of its initial value. you may assume no other reaction is important. round your answer to 2 significant digits.

If a fast moving car making a loud noise approaches and moves past the person what will happen as the distance between the two increases?