Hydrogen Has 1 Proton,0 Neutrons,and 1 Electron

question 71

Multiple Choice

Hydrogen has 1 proton,0 neutrons,and 1 electron.Which of the following is correct about hydrogen?

• A)Hydrogen has an atomic number of 1.
• B)Hydrogen has an atomic number of 2.
• C)Hydrogen has an atomic mass of 2.
• D)Hydrogen has an atomic number and atomic mass of 2.
• E)Hydrogen has an atomic number and atomic mass of 1.

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Definitions:

Paraphyletic

A term used in phylogenetics to describe a group of organisms that includes an ancestor but not all of its descendants, contrasting with a monophyletic group.

Polyphyletic

A group of organisms derived from more than one common evolutionary ancestor or ancestral group, indicating they do not share a common lineage.

Phylogenetic Trees

Diagrams that represent the evolutionary relationships among various biological species or other entities, based upon similarities and differences in their physical or genetic characteristics.

Systematists

Systematists are scientists who study the classification and evolutionary relationships among organisms, organizing them into systems of taxonomy.