Of the two Lewis/electron dot structure representations, which is
the correct one for ammonla?
A
B
H
H
H
H
ZI
I-2:​

An atom of sodium-23 (atomic number = 11) has a positive charge of +1. give this information, how many electrons does it have? how many proteins and neutrons does this atom have

The number to the right of an element's symbol (ex. c-12) identifies the of an isotope.

What is the mass of 2.00 l of an intravenous glucose solution with a density of 1.15 g/ml?