Cu ag and au are all in what group

Asked by maham237 @ 10/01/2021 in Chemistry viewed by 233 People

Cu ag and au are all in what group number

Answered by maham237 @ 10/01/2021

Answer:

Cu, Ag, and Au are all in the group number 11

Explanation:

To answer this question you must look at your periodic table.

The elements in the periodic table are ordered in increasing order of atomic number and elements with similar chemical properties, due to the same number of valence eletrons, lay in the same column.

The column in the periodic table corresponds to the chemical group, and, in the most modern version, is identified with a number 1 through 18.

The elments Cu (copper), Ag (silver), and Au (gold), all metals, are in the same group (column) number 11.

The elements in the columns 3 trough 12 are transition metals. The atomic numbers of thise elements, which let you to find them easily in your periodic table, are:

Cu: 29 (it is the first element in the group)
Ag: 47 (it is directly below Cu)
Au: 79 (79 ( it is directly below Ag)

Those elements, along with platinum are paladium, are the metals with the lowest reactivity, which is the reason why they are found in nature in its pure form (not combined with other elements).

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