Answer:
francium, caesium, helium
Answer: P2O5
Explanation: You divide both subscripts by 2 to get the empirical formula.
Yes , I agree with the statement water contains minerals
<u>Explanation:</u>
- When LaShawna saw the steam, she said that the water must contain a lot of minerals and the statement is true.
- Most of the water comes from the underground supply and they undergo some cleaning process and stuff.
- Usually, mineral water comes from natural underground water supply and the springs.
- Chemical compounds like Calcium, potassium, sodium, iron are present in water.
- Magnesium plays an essential function in maintaining blood supply and high mineral content water helps us to prevent or lower the heart-related disease.
- Calcium is the building block for maintaining the bone's health.
Answer: 2. magnesium
Explanation: correct spelling...?
Atomic mass is the total mass of neutrons and protons in a certain isotope. It is usually called: AMU or atomic mass unit.