The formula for calcium sulfate, CaSO4, represents a compound composed of
A) two atoms of calcium, four atoms of sulfur, and four atoms of oxygen.
B) one atom of calcium, four atoms of sulfur, and four atoms of oxygen.
C) one atom of calcium, one atom of sulfur, and four atoms of oxygen.
D) one atom of calcium and four atoms of sulfate.
E) one atom of calcium and one atom of sulfate.
Question 2
When an amine behaves as a base it ________ a hydrogen ion to form a(an) ________ ion.
A) loses; hydronium
B) loses; ammonium
C) loses; hydroxide
D) gains; ammonium
E) gains; hydronium
he vertebrate stomach as an example of an organ composed of all four tissue types
The compound eye of insects.
The ethanol molecule showing two carbon atoms, six hydrogen atoms, and one oxygen atom.
Eating calcium-rich foods daily assists with bone health, muscle contraction, and blood clotting
formula
What is the isotopic atomic mass of an isotope if 9.7023 1022 atoms weighs 4.0256 g?