Sodium and potassium are soft, silvery metals. They are both solids at room temperature and react strongly when combined with water.

Which statement about sodium and potassium is probably true? * 26*

A. Sodium and potassium are different isotopes of the same element.

B. Sodium and potassium have the same number of electrons.

C. Sodium and potassium are in the same chemical family.

D. Sodium and potassium have similar atomic masses.

Question

Physics

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16 November, 03:20

Sodium and potassium are soft, silvery metals. They are both solids at room temperature and react strongly when combined with water.

Which statement about sodium and potassium is probably true? * 26*

A. Sodium and potassium are different isotopes of the same element.

B. Sodium and potassium have the same number of electrons.

C. Sodium and potassium are in the same chemical family.

D. Sodium and potassium have similar atomic masses.

+2

Answers (1)

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Genesis Shepherd · Answer 1

C. Sodium and potassium are in the same chemical family.

Explanation:

Chemical family in a periodic table is a column of elements which share some similar physical or chemical properties. For example, the elements of group one are mostly soft metallic solids and they share similar metallic properties. The topmost element in a group is used to identify the group.

A tabular arrangement used to classify elements which are placed horizontally by means of atomic number and vertically by their properties.

The given element belongs to alkali metals which have low density, highly reactive, and have low electronegativity.