1st 3 Week Review

The smallest particle of an element or matter

• Proton

• Atom

• Electron

• Electron Cloud

The central part of an atom that is made up of neutrons and protons

• Protons

• Neutrons

• Nucleus

• Reactivity

The region around the nucleus where the electrons may be found.

• Electron Cloud

• Reactivity

• Neutron

• Atom

Tags

NGSS.MS-PS1-1

Positivley charged particle located in the nucleus of an atom.

• Electrons

• Protons

• Neutrons

• Subatomic Particles

Negatively charged particle found outside the nucleus of an atom

• Electrons

• Protons

• Neutrons

• Electron Cloud

Refers to anything smaller than an atom. Examples: Electrons, protons and neutrons.

• Electron cloud

• Element

• Subatomic Particles

• Protons

A subatomic particle of about the same mass as a proton but has no (zero/neutral) electric charge.

• Neutron

• Proton

• Electron

• Electron Cloud

This particle determines an elements' identity (what its called).

• electron

• proton

• neutron

• valence shell

What is the mass of a proton and a neutron?

• 1amu
• 2grams
• 13amu
• 10cm

Describe an Electron Cloud?

• the mist outside of an atom
• home of the protons
• where electrons are located
• nucleus

Tags

NGSS.MS-PS1-1