Which element is paired with the wrong symbol? a. sulfur, S
b. potassium, P
c. nitrogen, N d. calcium, Ca

The variability in marine salinity between habitats does not impact the fish living there. select the best answer from the choices provided t f

This chart lists four kinds of polymers and their sources. what can be known about all four polymers, despite their differences? they come from living things. they share ionic carbon bonds. they are at least 100 monomers long. they are made of repeating subunits.

How many neutrons does an element have if its atomic number is 50 and its mass number is 166