Answer:
the number of neutrons in an atom of the element is 10.
Explanation:
neutron: mass # -protons
neutron: 19 (18.9984 (rounded)) - 9
neutron: 19- 9 =10
whole number is equal to the number of protons.
Answer:
E=hcλ or E=hν , where h is Planck's constant i.e, energy is directly proportional to frequency and inversely proportional to wavelength.
Water is solvent, salt is solute, reactants are H2O and NaCl, and the whole thing is solution
The answer is C. Tell me if it is right that is the only reasonable answer
6.022 x 10^23
I answered this already :)
