5ml is extracted from a solution containing compound X (molar mass: 98g / mol) of density 1.4g / ml at 70% m / m, what will be the molar concentration of the resulting solution?

1. a)c-14 has two more protons

2. d)they have different numbers of protons, neutrons, and valence electrons; they are all gases at room temperature.

3. c) iron and nickel.

it forms an anion that has a larger radius. anions have a negative charge and are larger than the original atom.