. 1s2 2s2 2p6 3s2 3p6 3d10 One point is earned for the correct configuration.
Answer:
Answer
Explanation:
1) Other gasses / or argon (based on what u took in ur school )
2) oxygen
3? Nitrogen
Answer:
I don't know if option e. is 22,5 g. because that is the correct answer for this. 15% NaCl (mm) gives you the information that in 100 g of solution, you have 15 g of solute. So, if in 100 g of solution you have 15 g of NaCl, in 150 g of solution, how much. Try the rule of three.
Explanation:
Energy is added to the chemical equation which bonds hydrogen and oxygen together in a chemical bond .
Before answering the question, one should first calculate the pH for given concentration of LiOH.
As LiOH ionizes as,
LiOH → Li⁺ + OH⁻
So, the concentration of OH⁻ = [OH⁻] = 0.01
Also,
pOH = -log [OH⁻]
pOH = -log [0.01]
pOH = 2
Whereas,
POH + pH = 14
Or,
pH = 14 - 2
pH = 12
Result:
As pH is greater than 7, so the solution is Basic.
