What are “elements”? How are they different from
“compounds”? Give one example of each.
Answers
Answer:
Elements are represented by symbols and numbers. For example, Sodium is represented by Na. Compounds are represented by their chemical formula. For example, salt is represented by the formula NaCl.
A compound is a substance formed when two or more chemical elements are chemically bonded together. In mixtures, the substances present are not chemically bonded together. The type of bonds holding elements together in a compound can vary: two common types are covalent bonds and ionic bonds.
Explanation:
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Answer:
In chemistry, an element is a pure substance consisting only of atoms that all have the same numbers of protons in their atomic nuclei. Unlike chemical compounds, chemical elements cannot be broken down into simpler substances by chemical means.
In chemistry, an element is a pure substance consisting only of atoms that all have the same numbers of protons in their atomic nuclei. Unlike chemical compounds, chemical elements cannot be broken down into simpler substances by chemical means.
A compound is a material formed by chemically bonding two or more chemical elements. The type of bond keeping elements in a compound together may vary: covalent bonds and ionic bonds are two common types. The elements are always present in fixed ratios in any compound.Water - Formula: H2O = Hydrogen2 + Oxygen. ...