Vocab List SPS1_Atoms_Periodic Table

Smallest particle of an element that retains the element's properties

• atom
• molecule
• element
• compound

A positively charged particle located in the nucleus of an atom

• proton
• neutron
• electron
• atom

A small particle in the nucleus of the atom, with no electrical charge

• proton
• neutron
• electron
• atom

A tiny, negatively charged particle that moves around the nucleus of an atom.

• proton
• neutron
• electron
• atom

A particle that is electrically charged (positive or negative)

• atom
• ion
• isotope
• neutral

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

Atoms of the same element with the same number of protons (atomic number) but a different atomic mass (number of neutrons).

• atom
• ion
• isotope
• neutral

number of protons in an atom, its identity

• atomic number
• atomic mass
• chemical symbol
• element

number of protons plus the number of neutrons

• atomic number
• atomic mass
• chemical symbol
• element

positively-charged ion

• atom
• cation
• anion
• neutral

Tags

NGSS.MS-PS2-3

negatively-charged ion

• atom
• cation
• anion
• neutral