Calculation all concentration in mg/L as CaCO3 (b) (0.5 pt) What is total hardness, carbonate hardness, and non-carbonate hardness

100 points answer quick the table compares the number of electrons in two unknown neutral atoms. comparison of electrons atom number of electrons a 10 d 11 use this information to determine the number of valence electrons in the atoms. which of the following correctly compares the stability of the two atoms? both are unreactive. both are highly reactive. a is unreactive and d is reactive. a is reactive and d is unreactive.

What are the two major rules associated with polarity

+= + + balance the equation on coefficients, ex. 1,1,1