Urgent On a nice day, the temperature outside is 21.5C. What is the temp on the Kelvin scale?
Select all that apply
given temp in C degrees
The conversion between C and kelvin
The conversion between f and c
The equivalence statement
1ML = 1cm^ 3

I agree with the other person, the last two are correct

If a hydrogen atom is neutral, it must also have  one electron. an oxygen atom (o) has an atomic number of eight (8). this means a neutral oxygen atom has eight protons and eight electrons. the element actium (ac) has an atomic number of 89, so it has 89 protons and 89 electrons in a neutral atom

Perimeter? wheres the answers