symbols, atomic numbers, atomic mass, chemical families (groups), and periods;
The student will investigate and understand the organization and use of the periodic table of elements to obtain information.
No resources have been tagged as aligned with this standard.
Elements can be represented by chemical symbols.
explain that elements are represented by symbols.
The atoms of one element differ from those of another element in the number of protons.
A limited number of elements, including silicon, aluminum, iron, sodium, calcium, potassium, magnesium, hydrogen, oxygen, nitrogen, and carbon, form the largest portion of Earth’s crust, living matter, the oceans, and the atmosphere.
elements may be represented by chemical symbols;