Hydrogen is considered to be a (metal, non- metal) of relatively (high, low) electronega-
tivity.
1. nonmetal; low
2. nonmetal; high
3. metal; low
4. metal; high

in chemistry, a solution’s concentration is how much of a dissolvable substance, known as a solute, is mixed with another substance, called the solvent. the standard formula is c = m/v, where c is the concentration, m is the mass of the solute dissolved, and v is the total volume

c. is the answer

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