E and B
Explanation:
The last option violates Aufbau's principle.
Aufbau's principle states that "the sublevels with lower energies are filled up before those with higher energies."
This implies that orbitals are not filled based on numerical order but on their energy levels.
The order is as follows;
1s 2s 2p 3s 3p 4s 3d e.t.c
In B, the 3s was not filled before jumping to 3p
In E, 3p was not filled before jumping to 3d and 3d was not even the next orbital.
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The answer to this problem is =12
Answer:
The red blood cells will burst
Explanation:
When the red blood cells are placed in pure water, they will gain water by osmosis, swell and finally burst due to their weak cell membranes. This process is referred to as hemolysis.
Answer:
Explanation:
Molarity refers to a measure of concentration.
Molarity = moles of solute/Litres of solution
Molarity refers to number of moles of solute present in this solution.
In order to find a solution's molarity, use value for the number of moles of solute and the total volume of the solution expressed in liters
As molarity of 2.3 mol of Kl is dissolved in 0.5 L of water,
Molarity = 
The volume of the granite piece in Cm³ is 12.2 cm³
<u><em>calculation</em></u>
volume of granite = (volume of cylinder after placing granite - volume of cylinder before placing granite
= 37.2 ml - 25.0 ml = 12.2 ml
convert ml to Cm³
that is 1 ml = 1 cm³
12.2 ml = ? cm³
<em>by cross multiplication</em>
=(12.2 ml x 1 cm³) / 1 ml = 12.2 cm³
