I believe the answer is D.
Scientists are biased, and want to prove their specific hypothesis is right.
Answer is 38/3 or 12.67
3x=38
x=38/3
therefore answer is the one mentioned above
Answer: K and Mg
Explanation:
The first one refers to the atomic radius and increases going down and to the left on the periodic table. K is in between Rb and Na.
<>"On addition to water the Na+ section of NaCl is attracted to the oxygen side of the water molecules, while the Cl- side is attracted to the hydrogens' side of the water molecule. This causes the sodium chloride to split in water, and the NaCl dissolves into separate Na+ and Cl- atoms."<>
