Answer: hope this is hopeful
Explanation:
1.So, potassium atom is bigger than sodium atom.
2.Sodium: The valence electron of sodium is in the 3s orbital. Potassium: The valence electron of potassium is in the 4s orbital. Atomic Size. Sodium: Sodium atom is
3. • While excess of sodium is harmful for us, low levels of potassium have also been found to be associated with certain disorders of lungs and heart.
A pound I’m unsure but I hope it’s right
Answer:
Chemicals can enter and irritate the nose, air passages and lungs. They can become deposited in the airways or be absorbed by the lungs into the bloodstream. The blood can then carry these substances to the rest of the body. Ingestion (swallowing) of food, drink or other substances is another route of exposure.
Explanation:
hope this helps?
Answer:
It was created by a man called Dimitri Mendeleev in 1869 .