1. U₂₃₈→α→Th₂₃₄(UX₁)
<span>2. Th₂₂₈→α→Ra₂₂₆(MsTh₁) </span>
<span>α = Alpha decay (release of He Nucleus) </span>
<span>The decay products are meso states that undergo further (β) decay</span>
Answer: helium
Explanation:
Edit: im really sorry i thought i was answering a different question.
PH is a logorithmic scale. so each whole unit multiplies by 10. so the answer is B 1:10
Answer:
Explanation:
The ionization constant of the water = at a temperature of and pressure of 20 MPa
Water dissociates as;
The expression for the ionization constant is :
For pure water,
So,
The concentration of the hydroxide ions, .
Answer:
2 electrons
Explanation:
The first principal energy level contains only an s sublevel; therefore, it can hold a maximum of two electrons.