Amolecule of a covalent compound contains three atoms of fluorine (f) and one atom of boron (b).
what is the correct molecular formula and chemical name of the compound described in this statement?
f3b; trifluorine boronide
bf; boron fluoride
bf3; boron trifluoride
f3b; boron trifluorine

BF₃; boron trifluoride

Explanation:

The molecular formula of the compound would be BF₃

The atoms making up the compound consists of B and F.

In covalent bonds, electrons are shared between atoms for the bonds to form. Boron has 3 valence electrons and would freely share with other atoms for it to have a stable configuration. Fluorine requires just one electron to have a stable configuration. Three fluorine atoms would make the bonding work.

This leaves us with a BF₃ compound

Chemical name is Boron trifluoride(3 atoms of fluorine)

the answer is b & c i believe : )

most historians agree that gabriel mouton, the vicar of st. paul’s church in lyons, france, is the “founding father” of the metric system. he proposed a decimal system of measurement in 1670. mouton based it on the length of one minute of arc of a great circle of the earth (now called a nautical mile, 1852 meters). he also proposed the swing-length of a pendulum with a frequency of one beat per second as the unit of length (about 25 cm). a pendulum beating with this length would have been fairly easy to produce, thus facilitating the widespread distribution of uniform standards. over the years, his work was revised, improved, and extended by a number of french scientists.

the political sponsor of weights and measures reform in the french revolutionary national assembly was the bishop of autun, better known as talleyrand. under his auspices, the french academy appointed several committees to carry out the work of developing a usable system of weights and measures for france. one of the committees recommended a decimalized measurement system based upon a length equal to one ten-millionth of the length of a quadrant of the earth’s meridian (i.e., one ten-millionth of the distance between the equator and the north pole).