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- Name: Calicum
- Symbol: Ca
- Atomic Number: 20
- Atomic Weight: 40.078 u
- Period: 4
- Group: 2
22 Calcium Facts for Kids
- Calcium is a chemical element on the periodic table.
- Calcium was isolated and first discovered by Cornish chemist and inventor Humphry Davy in 1808.
- Calcium is a solid at room temperature.
- The symbol for calcium is Ca.
- The atomic number for calcium is 20.
- The standard atomic weight of calcium is 40.078 u.
- Calcium is in the alkaline earth metal group on the periodic table.
- Calcium is a period 4 chemical element, which is the fourth row on the periodic table.
- Calcium is a group 2 chemical element, which is the beryllium group.
- Calcium has five stable isotopes and they are 40Ca, 42Ca, 43Ca, 44Ca and 46Ca.
- The melting point for calcium is 1,548 °F (842 °C).
- The boiling point for calcium is 2,703 °F (1,484 °C).
- Calcium is the 5th most abundant element in the human body.
- Calcium is the 5th most abundant of all the elements found on Earth.
- Calcium is the 3rd most abundant metal found on Earth.
- Calcium is the 5th most abundant element found in the human body, and it’s mostly in the bones and teeth.
- Calcium is important to the human body and considered an essential element.
- Calcium helps the development of bones in children and adolescents.
- Calcium can help treat certain bone diseases, like osteoporosis.
- Dairy products typically are rich in Calcium, like cheese and yogurt.
- Calcium intake that exceeds nutritional recommendations can increase the risk of kidney stones.
- The largest non-nutritional use of Calcium is in the steelmaking process.
Additional Resources on Calcium
- Calcium – RSC – Learn more about the chemical element calcium on the Royal Society of Chemistry website.
- Calcium – JLabs – Find more calcium facts on the Jefferson Science Education website.
- Calcium – NIH – Discover more about calcium on the National Institute of Health website.
- Calcium Facts – Read more calcium facts for kids on the Live Science website.