Atoms and Atomic structure

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Slide 1

ATOMS AND ATOMIC STRUCTURE Atom Nucleus Proton Neutron Electron

Slide 2

What is an atom?

The smallest unit of an element.

Consists of a central nucleus surrounded by one or more electrons.

Slide 3

What is the nucleus?

The central part of an atom.

Composed of protons and neutrons.

Contains most of an atom's mass.

Slide 4

What is a proton?

Positively charged particle.

Found within an atomic nucleus.

Slide 5

What is a neutron?

Uncharged particle.

Found within an atomic nucleus.

Slide 6

What is an electron?

Negatively charged particle.

Located in shells that surround an atom's nucleus.

Slide 7

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