Atomic Structure

Subatomic particles with a negative charge

• Electrons

• Neutrons

• Protons

• Quarks

Tags

NGSS.MS-PS2-3

Subatomic particles with a positive charge

• neutrons
• atomic mass
• protons
• isotopes

Subatomic particles that are neutral in charge

• Neutrons
• Protons
• Nucleus 
• Electrons

A tiny but very dense, positively charged portion of the atom that holds most of the atomic mass

• Electron Shells
• Orbitals
• Electron Cloud
• Nucleus

Tags

NGSS.MS-PS1-1

The smallest particle of an element.

• Element

• Molecule

• Atom

Tags

NGSS.MS-PS1-1

What is one way Neutrons are different from electrons?

• they both are negative

• neutrons have no charge, while electrons have a negative charge

• Both are in the nucleus( center of atom)

• Electrons are inside nucleus and neutrons are outside the nucleus.

Tags

NGSS.MS-PS1-1

Label each part of the atom

a

b

c

Neutron

Electron

Proton

Tags

NGSS.MS-PS1-1

All matter is made of 

• energy 
• atoms 
• air
• chemistry

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-5

What are the subatomic particles?

• Protons, Electrons, Neutrons

• Molecules, and atoms

• Electrons, Protons, Nucleus

• Nucleus, and Electrons

Tags

NGSS.MS-PS1-1

The mass of this particle is so small that it is not counted when calculating atomic mass.

• proton
• electron
• neutron
• quark