Question

describe two properties that the elements in the first two columns of the periodic table share with one another. (Is there any other answer then the same amount of electrons in the outer orbit?)​

Answer 1

Answer:

Each column is called a group. The elements in each group have the same number of electrons in the outer orbital. Those outer electrons are also called valence electrons. They are the electrons involved in chemical bonds with other elements

Explanation:

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Answer 2

Explanation:

The elements in each group have the same number of electrons in the outer orbital. Those outer electrons are also called valence electrons. They are the electrons involved in chemical bonds with other elements. Every element in the first column (group one) has one electron in its outer shell.

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