Science _ Atoms, Atomic Mass & Elements

Positively Charged Particle
Mass: 1 amu

• Proton
• Neuton
• Electron
• Isotope

Tags

NGSS.MS-PS1-1

The building blocks of matter

• Mass Number
• Atoms
• Nobel Gases
• Isotopes

Tags

NGSS.MS-PS1-1

Neutral Charged Particle
Mass: 1 Amu

• Proton
• Neutron
• Electron
• Isotope

The building blocks of matter

• Mass Number
• Atoms
• Nobel Gases
• Isotopes

Negatively charged Particle
Mass:  Almost Nothing

• Protons
• Neutrons
• Electrons
• Isotopes

Tags

NGSS.MS-PS1-1

Number of protons in an atom.

• Atomic Number
• Mass Number
• Isotope
• Valence electrons

Tags

NGSS.MS-PS1-1

Anything that has mass and takes up space

• isotope
• matter
• ion
• atomic number

Tags

NGSS.MS-PS1-5

Atoms of the same element but with different numbers of neutrons.

• Ion
• Isotope
• Mass Number
• electron

the central region of an atom where its neutrons and protons are is its 

• nucleus 
• electron cloud
• core 
• center 

 What is at the center of every atom? 

• nucleus
• neutron
• proton
• all of these