Answer:
Four Ca²⁺ and eight Cl⁻ ions.
Explanation:
If
0.20 mol·L⁻¹ NaCl = 8Na⁺ + 8Cl⁻
Then
0.10 mol·L⁻¹ NaCl = 4Na⁺ + 4Cl⁻
And
0.10 mol·L⁻¹ CaCl₂ = 4Ca²⁺ + 8Cl⁻
The square will contain 4 Ca²⁺ ions and 8 Cl⁻ ions.
It should resemble the diagram below
<span>How many electrons are needed to equal the mass of a proton?
</span>
The correct answer is that you need 1836 electron to equal the mass of a proton. This means that a proton is equals to 1836 electron or 1 = 1836. This is the answer to your question. I hope this answer helped you.
The answer to your question is
D: Unshared Pair
Hope this helps you :))))
<span>The inner core is surrounded by the outer core. The inner core is a solid, hot ball of metals and rocks with very high pressure. The outer core also has high pressure, but not enough to make it a solid. It is a liquid.</span>
