what is the ion

What is an ion?

• An atom with an equal number of protons and electrons.

• An atom that has gained or lost neutrons.

• An atom that has gained or lost electrons.

• A molecule with a neutral charge.

What is the primary reason atoms form ions?

• To increase their atomic mass.

• To achieve a stable electron configuration.

• To become electrically neutral.

• To change their atomic number.

How do metal atoms typically form cations?

• By gaining protons.

• By losing electrons.

• By gaining neutrons.

• By sharing electrons.

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How do non-metal atoms typically form anions?

• By losing protons.

• By gaining electrons.

• By losing neutrons.

• By sharing protons.

How do noble gases produce light when a high electric voltage is applied?

• The atoms undergo nuclear fusion, releasing energy.

• The electrons are excited and then release energy as photons when they return to a lower energy state.

• The gas molecules vibrate rapidly, generating heat and light.

• The protons in the nucleus are rearranged, emitting light.