go to jove.com

MIDDLE SCHOOL

Physical Science

Structure and Properties of Matter

This is a free preview. For full access

Structure and Properties of Matter: Atom

Atomic Number and Mass Number

Description

Atomic Number and Mass Number

Atoms consist of three fundamental particles: protons, neutrons, and electrons. The atomic number of an atom represents the number of protons in its nucleus, determining the element's identity and position on the periodic table. The mass number is the total count of...

Transcript

How do we identify different elements, and what makes them unique? It depends on their atoms and their properties.

Each element has a symbol for easy identification, like H for Hydrogen and He for Helium.

But what makes an atom different? The key lies in the number of protons in its nucleus, called the atomic number. For instance, h...

Tags

More videos by Standards