Chemistry

Question

d. The table below lists three chafacterists of an atom of an element

Characteristics of an Element

Number of

Protons

Number of

Neutrons

Number of

Valence Electrons

37

48

An atom of which element is described by the data in the table?

•

•

•

Radon (Rn)

Cadmium (Cd)

Rubidium (RD)

Astatine (At)

Answer

The atom described in the table has 37 protons, which corresponds to the element Rubidium (Rb).

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The number of protons in an atom is equal to the atomic number of the element. In this case, the atom has 37 protons...