Examlex
Write the formula of the hydride ion.
Portion
A part or section of a whole, often expressed as a fraction or percentage.
Complete
To finish or make whole; in mathematics, often refers to making a square in quadratic equations or filling in missing parts of an expression or equation.
Acid Solution
A aqueous solution containing more hydrogen ions (H+) than hydroxide ions (OH-), typically having a pH less than 7.
Quarts
A unit of liquid measure equal to two pints or one fourth of a gallon, used especially in the US.
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