What is the outer part of an atom called?

The nucleus (center) of the atom contains the protons (positively charged) and the neutrons (no charge). The outermost regions of the atom are called electron shells and contain the electrons (negatively charged). Atoms have different properties based on the arrangement and number of their basic particles.

Read more

One may also ask what are the parts of an atom answer key?

An atom is made up of protons and neutrons which are in the nucleus, and electrons which are in the electron cloud surrounding the atom. The atomic number equals the number of protons. The electrons in a neutral atom equal the number of protons. The mass number equals the sum of the protons and neutrons. What are the 2 parts to an atom? The two parts of an atom are the nucleus and the electron cloud. The nucleus is composed of protons and neutrons, densely packed in the nucleus and...

What are the 20 element in chemistry?

Calcium The elements of the periodic table sorted by atomic number Atomic number Name chemical element Symbol 18 Argon Ar 19 Potassium K 20 Calcium Ca 21 Scandium Sc 114 more rows Accordingly, how do you identify the parts of an element? Explanation: There are two properties that can be used to identify an element: the atomic number or the number of protons in an atom. The number of neutrons and number of electrons are frequently equal to the number of protons, but can vary depending on the atom in question.