As an Amazon Associate I earn from qualifying purchases.

What is Atomic number in Biology? PDF | Download eBooks

Learn Atomic number definition in biology with explanation to study “What is Atomic number”. Study atomic number explanation with biology terms to review biology course for online degree programs.

Atomic number Definition

  • Number of protons, which is unique to an element is called the atomic number.

    Campbell Biology by J.B. Reece, L.A. Urry, M.L. Cain, S.A. Wasserman, P.V. Minorsky, R.B. Jackson

Atomic number Explanation

The atomic number or proton number, denoted by the symbol Z, of a chemical element is the number of protons found in the nucleus of an atom. It is identical to the charge number of the nucleus. The atomic number uniquely identifies a chemical element. In an uncharged atom, the atomic number is also equal to the number of electrons. The sum of the atomic number Z and the number of neutrons, N, gives the mass number A of an atom.

Keep Learning Biology Explanations

What is Epigenetic inheritance?

Epigenetic inheritance is a remarkable discovery and it goes against the idea that inheritance happens only through the DNA code ...

What is Bilateral symmetry?

In bilateral symmetry (also called plane symmetry), only one plane, called the sagittal plane, divides an organism into roughly mirror ...

What is Crossing over?

Crossing over is the exchange of genetic material between non-sister chromatids of homologous chromosomes during meiosis, which results in new ...

What is ABC hypothesis?

The ABC model, which aims to describe the biological basis of the process from the perspective of molecular and developmental ...

What is Endocrine system?

The endocrine system is a chemical messenger system comprising feedback loops of hormones released by internal glands of an organism ...

What are Genome wide association studies?

In genetics, a genome-wide association study, also known as whole genome association study, is an observational study of a genome-wide ...