Question

Which parameter of an element can be used for its identification?

Answer 1

Elements

• An element is a basic form of matter that cannot be broken down into simpler substances by chemical reactions.
• Elements are made up of atoms.

Atoms

• Protons, neutrons, and electrons are the smallest particles that make up an atom.
• The nucleus is made up of protons and neutrons and is located at the core of the atom.
• The nucleus is surrounded by electrons.
• The charge of protons is positive.
• The charge of electrons is negative.
• Neutrons are uncharged particles.

Identification of element

• The atomic number stands for the number of protons in an atom of the element.
• The number of protons determines the element's identity.