Vocabulary Topic 1 - Atoms and the Periodic Table

a small, positively charged particle that is found in the nucleus of the atom

• proton

• neutron

• electron

• nucleus

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

• proton

• neutron

• electron

• nucleus

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

• proton

• neutron

• electron

• nucleus

the electrons that are in the highest energy level of an atom and that are involved in chemical bonding

• proton

• electron

• valence electron

• atom

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

the basic particle from which all elements are made; the smallest particle of an element that has the properties of that element

• neutron

• electron

• valence electron

• atom

Tags

NGSS.MS-PS1-1

the central core of an atom which contains protons and neutrons

• proton

• neutron

• electron

• nucleus

the number of protons in the nucleus of an atom

• mass number

• atomic mass

• atomic number

• isotope

the sum of the protons and neutrons in the nucleus an atom

• mass number

• atomic mass

• atomic number

• isotope

an arrangement of the elements showing the repeating pattern of their properties

• mass number

• atomic mass

• atomic number

• periodic table

the sum of the protons and neutrons in the nucleus an atom

• mass number

• periodic table

• nucleus

• isotope