which statement describes an element? check all that apply. an element is a pure substance that cannot be…

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.

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.

Answer

Brief Explanations:

  1. By definition, an element is a pure substance that cannot be broken down into a simpler form by chemical means.
  2. A substance made of two or more atoms chemically combined is a compound, not an element.
  3. The periodic table lists all known elements.
  4. Element symbols follow the convention of starting with a capital letter and subsequent letters being lowercase.

Answer:

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.