The answer I believe would be C : tells you the identity of the atom because. The atomic number or proton number of a chemical element is the number of protons found in the nucleus.
Answer:
Subscripts are small numbers right next to the letters
<span>Avogadro's number
represents the number of units in one mole of any substance. This has the value
of 6.022 x 10^23 units / mole. This number can be used to convert the number of
atoms or molecules into number of moles.
</span><span>7.5 X10^23 molecules of H2SO4 ( 1 mol / 6.022x10^23 molecules ) (98.08 g / 1 mol ) = 122.15 grams H2SO4</span>
Answer:
b
Explanation:
the nucleus has an overall positive charge, the electron orbital consists of empty space, while the nucleus consists of neutrons and protons tightly packed together. The electron cloud occupies most of the total volume
Answer:
from where should I have to chose