In scientific notation, a number is less than ten but more than one.
Move the decimal point from 0, 250.000 <- this is the same as 250 to between 2 and 5.
I had to move two spaces.
2.5^2
I hope this helps!
~kaikers
The number of electrons that can be held in the second orbit are 8
Answer:
The molar mass and molecular weight of 3CaCl2 is 332.952.
