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Chemistry, 08.10.2019 01:30 nick5442

13. how many protons are present in total in a carbon atom?
(a) there are always twelve.
(b) there are always six.
(c) it depends on the isotope.
(d) there are always four.

14. of the following, which molecule is most polar? (the electronegativities of the atoms are as follows: chlorine 3.0, boron 2.0, hydrogen 2.1, oxygen 3.5, carbon 2.5, and bromine 2.8.)

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13. how many protons are present in total in a carbon atom?
(a) there are always twelve.
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