contestada

Which element's symbol could replace the question mark in
the diagram?
O boron (B)
O neon (Ne)
O rubidium (Rb)
O arsenic (As)

Respuesta :

Answer:

arsenic (As)- last choice

The element's symbol could replace the question mark in the diagram is Arsenic (As).

What is element?

An element is characterized by its atomic number. Each element has different number of protons in the nuclei of its atoms.

The diagram represents the electrons in the form of dots. The no of dots or electrons attached to the element with question mark is five. So, the element recognized as Arsenic.

Thus, the element's symbol could replace the question mark in the diagram is Arsenic (As).

Learn more about element.

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