atoms of a particular element are similar but differ from atoms of other elements;
No resources have been tagged as aligned with this standard.
recognize that the number of electrons in the outermost energy level determines an element’s chemical properties or chemical reactivity.
inorganic and organic compounds.
The atom is the basic building block of matter and consists of subatomic particles (proton, neutron, electron, and quark) that differ in their location, charge, and relative mass. Protons and neutrons are made up of smaller particles called quarks.
the modern model of atomic structure.
given a chemical formula of a compound, identify the elements and the number of atoms of each that comprise the compound.