The following pictures represent binary hydrides,AHx,where A = Na,Ti,C,or Cl.Lightly-shaded spheres represent H atoms or ions and darkly-colored spheres represent atoms or ions of element A. 
-Which hydride dissolves in water to form an acidic solution?
Definitions:
Core Motives
Fundamental driving forces that influence behaviors and decision-making in individuals.
Mating Strategies
The behaviors and choices individuals employ to attract and choose mates, influenced by evolutionary pressures.
Parental Investment
The time, energy, and resources parents devote to the upbringing and well-being of their offspring.
Kin Selection
A principle of evolutionary strategy that favors the reproductive success of an organism's relatives, even at a cost to the organism's own survival and reproduction.
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