Which statement describes an element? Check all that apply. Which statement describes an element? Check all that apply. An element is a pure substance that cannot be broken down into a simpler form.

An element is made of two or more atoms that are chemically combined.

All elements are listed on the periodic table of elements.

An element symbol begins with a capital letter; if there is a second or even third letter, it is a lowercase letter.

- An element is a pure substance that cannot be broken down into a simpler form.

- All elements are listed on the periodic table of elements.

- An element symbol begins with a capital letter; if there is a second or even third letter, it is a lowercase letter

Explanation:

An element is one of the two types of pure substances i.e. substances that cannot be broken down into simpler forms. Elements are made up of only one type of atom e.g. Fe, Cl2 (two chlorine atoms).

All known or discovered chemical elements are represented on the periodic table. In an order of increasing atomic number, elements are arranged from left to right on the periodic table.

The symbol of an element begins with a first letter written in capital letters while the subsequent letters can be written in lower cases. For example, Fe, Cu, Hg, Zn etc.

acceleration = 18/3 = 6 m/s per second.

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examples of nucleic acids are deoxyribonucleic acid (dna) and ribonucleic acid (rna).