Look Around You: Calcium

Front

What is calcium?

Back

Calcium is a chemical element with the symbol Ca and atomic number 20. It is a soft gray alkaline earth metal that is essential for living organisms, particularly in cell physiology.

Front

Where is calcium commonly found in the human body?

Back

Calcium is primarily found in bones and teeth, making up about 99% of the body's calcium.

Front

What is the role of calcium in the body?

Back

Calcium is crucial for various bodily functions, including muscle contraction, blood clotting, and nerve transmission.

Front

Is calcium soluble in water?

Back

No, calcium is not soluble in water.

Front

What is the worst-case scenario in the breakdown of the calcium molecule called?

Back

The worst-case scenario in the breakdown of the calcium molecule is called the Helvetica Scenario.

Front

What can calcium be used to make?

Back

Calcium can be used to make powerful adhesives.

Front

What is found at the center of the calcium molecule?

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The center of the calcium molecule contains the Queen Atom.

Front

What are the natural sources of calcium?

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Calcium occurs naturally in various foods, including dairy products, leafy greens, and fish.

Front

What happens when calcium reacts with water?

Back

When calcium reacts with water, it forms calcium hydroxide and hydrogen gas.

Front

What is the importance of calcium in plants?

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Calcium is important for plants as it helps in cell wall structure and stability, and it plays a role in signaling within the plant.