Weather... weather is the obvious answer
Answer:
C.because protons and electrons are equal they will be 38 so neutron will be 50
CaO is the chemical formula for quick lime
Absorbance values greater than or equal to 1.0 are too high. If you are getting absorbance values of 1.0 or above, your solution is too concentrated. Simply dilute your sample and recollect data . Keep in mind that absorbance is the logarithm of the transmission (T) of light through a sample
Hope this help
