Which of the following ions can be identified using a flame photometer?

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Question: Which of the following ions can be identified using a flame photometer?

Options:

Correct Answer: Calcium

Solution:

Flame photometry is commonly used to identify alkali and alkaline earth metal ions, such as calcium, based on their characteristic emission spectra.

Which of the following ions can be identified using a flame photometer?

Which of the following ions can be identified using a flame photometer?

Step 1: Understand what a flame photometer is. It is a device used to measure the intensity of light emitted by ions when they are heated in a flame.
Step 2: Know that different ions emit different colors of light when heated. This is called their emission spectrum.
Step 3: Identify the types of ions that can be measured. Flame photometry is mainly used for alkali metals (like sodium and potassium) and alkaline earth metals (like calcium and magnesium).
Step 4: Remember that each metal ion has a unique color of light it emits, which helps in identifying them.

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