Question

an element is composed of​

Answer 1

Answer:

An element is a pure substance and is made of only one type of atom; it cannot be broken down into a simpler substance.

Explanation:

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Answer 2

Answer:

An element is a pure substance that cannot be broken down into simpler substances and is made up of only one type of atom.

Explanation:

• Atoms are the building blocks of all matter, and they are made up of electrons, protons, and neutrons.
• The electrons are negatively charged particles that orbit the nucleus of an atom. The nucleus is composed of positively charged protons and neutral neutrons.
• The periodic table groups elements according to their chemical properties based on the number and spatial distribution of an atom's electrons.
• Elements can be identified by their atomic number, which represents the number of protons in the nucleus of an atom.
• Each element has a unique name, symbol, atomic number, and atomic mass.

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