What are the example of elements and compounds?
What are the example of elements and compounds?
Chemistry: 12. Elements, Compounds and Mixtures
| Compound | Symbol | Elements in the compound (and state at room temp) |
|---|---|---|
| Water | H2O | Hydrogen (gas) oxygen (gas) |
| Carbon dioxide | CO2 | Carbon (solid) oxygen (gas) |
| Magnesium oxide | MgO | Magnesium (solid) oxygen (gas) |
| Iron sulphide | FeS | Iron (solid) Sulphur (solid) |
What are the 5 examples of elements?
Common examples of elements are iron, copper, silver, gold, hydrogen, carbon, nitrogen, and oxygen.
What are 3 examples of a compound?
Examples of Compounds
- Water (H2O)
- Hydrogen peroxide (H2O2)
- Carbon monoxide (CO)
- Carbon dioxide (CO2)
- Methane (CH4)
- Sodium chloride (NaCl)
- Glucose (C6H12O6)
- Sodium bicarbonate (NaHCO3)
What are 4 examples of compounds?
Examples of compounds include table salt or sodium chloride (NaCl, an ionic compound), sucrose (a molecule), nitrogen gas (N2, a covalent molecule), a sample of copper (intermetallic), and water (H2O, a covalent molecule).
What are the 10 elements or compounds?
Common elements found in the Earth’s crust are:
- oxygen (O)
- silicon (Si)
- aluminium (Al)
- iron (Fe)
- calcium (Ca)
- sodium (Na)
- potassium (K)
- magnesium (Mg)
What is an example of a common compound?
Compounds – Compounds have more than one type of atoms connected by chemical bonds. Chemical reactions can break compounds into simpler substances. Examples of compounds are water (H₂O), and table salt (NaCl).
What are the 20 most common elements?
Most common 20 elements are: H, He, C, N, O, Na, Al, Si, S, Cl, K, Ca, Fe, Ni, Cu, Zn, Ag, Sn, Hg, Au.
What are 6 examples of a compound?