The Number of Electrons in an Ion with 20 Protons

question 2

Multiple Choice

The number of electrons in an ion with 20 protons and an ionic charge of 2⁺ is

• A) 24.
• B) 22.
• C) 20.
• D) 18.
• E) 16.

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Definitions:

Complete Metamorphosis

A type of insect development that includes four distinct life stages: egg, larva, pupa, and adult, with each stage looking entirely different and serving a different role in the life cycle.

Alternation of Generations

A reproductive cycle found in plants and some algae, involving both asexual and sexual phases.

Haploid

Having a single set of unpaired chromosomes, a condition typical of gametes in sexually reproducing organisms.

Diploid

Referring to a cell or organism that has two sets of chromosomes, one set inherited from each parent.