Question

Which statements accurately describe elements? Check all that apply. Elements are made up of two or more types of atoms. Elements are made up of only one type of atom. Each element has a unique chemical symbol. Elements can be identified by their atomic number. One element cannot be combined with another element.

Answer 1

Answer:

• Elements are made up of only one type of atom.

• Each element has a unique chemical symbol.

• Elements can be identified by their atomic number

Explanation:

Chemical elements are the basic constituents of all substances. At the microscopic level, the following definition can be made: A chemical element is the set of atoms that have the same atomic number. The chemical element is formed of only one type of atom, has a unique and unique chemical symbol and can be identified by its atomic number.

Currently about 115 chemical elements are officially recognized, with properties quite different from each other and others that resemble each other. Therefore, the elements were organized in ascending order of atomic number, forming a set that is known as the Periodic Table.

Answer 2

The correct statements are:

- Elements are made up of only one type of atom.

- Each element has a unique chemical symbol.

- Elements can be identified by their atomic number