Chapter 3 Vocab

What is the smallest particle that still can be considered an element?

• Proton

• Neutron

• Atom

• Molecule

Negatively charged particles

• Electrons
• Protons
• Neutrons
• Atom

Tags

NGSS.MS-PS2-3

What is the center of an atom?

• Nucleus

• Neutron

• Electron

• Proton

Positively charged particles in an atom

• Neutrons
• Electrons
• Nucleus

• Protons

Tags

NGSS.MS-PS1-1

Particle of an atom will no electrical charge

• Nucleus

• Electron
• Neutron
• Proton

Number of protons in the nucleus of an atom

• The number of neutrons in an atom.
• The mass number of an element.
• The number of electrons in a neutral atom.
• The atomic number of an element.

Sum of protons and neutrons in an atom

• Mass number
• Atomic mass number
• Atomic number
• Molecular weight

An atom or group of atoms that has electric charge

• Molecule

• Compound

• Element

• Ion

Tags

NGSS.MS-PS2-3