How do you convert from fahrenheit to celsius temperatures

To convert temperatures in degrees Fahrenheit to Celsius, subtract 32 and multiply by or 5/9.

For example; 50° F to Celsius.

= (50°F - 32) x 5/9

= 10°C

To convert temperatures in degrees Celsius to Fahrenheit, multiply by 1.8 (or 9/5) and add 32.

For example: 30 °C to Fahrenheit

= (30°C x 1.8) + 32

= 86°F

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answer:

the answer is 6 valence electrons.

explanation:

valence is the # of electrons on the outer most shell of an atom.

oxygen has 6.

although, the valency of oxygen is 2, because it only needs to make 2 covalent bonds, or gain 2 electrons, to achieve the stable octet configuration of a noble gas.

that's it!

if you need further assistance, let me know: )

~ trueboss72