Susan Santosa
More ideas from Susan
Students need to know how to count the number of atoms in a chemical formula before they can balance chemical equations or build molecular models.  This handy little sheet gives them lots of practice.

Students need to know how to count the number of oatoms in a chemical formula before they can balance chemical equations or build molecular models. This handy little sheet gives them lots of practice.

In this lab, students will be expected to distinguish between atoms and molecules and describe the differences between pure substances and mixtures. Students will then make models of ionic and covalent molecules using gummy bears. A quiz is included as well as an answer

In this lab, students will be expected to distinguish between atoms and molecules and describe the differences between pure substances and mixtures. Students will then make models of ionic and covalent molecules using gummy bears.