It has 78 neutrons in a cesium
Filtration: To remove solid substance from liquid.
Evaporation: To remove dissolved substance from liquid.
Distillation: To separate 2 liquids with different boiling points.
Answer:
When a sodium atom transfers an electron to a chlorine atom, forming a sodium cation (Na+) and a chloride anion (Cl-), both ions have complete valence shells, and are energetically more stable.
Answer:
It is the process in which a known amount of solution of known concentration is added to the concentration of the another solution to determine the concentration of unknown solution.
Explanation:
In some parts of the galaxy, electrons in hot hydrogen gas may be excited to very high quantum levels. Calculate the wavelength of light that would be emitted if electrons moved from the ð‘›=10 shell to the ð‘›=2 shell λ=___nm
