1. Conduct research about why molecular-level structure is important in the functioning of designed materials. You should research at least two examples. Then communicate this
scientific and technical information using written text and graphics. (5 points)

Achlorine atom has 17 protons and 18 neutrons. what is its mass number? what is its atomic number?

Two models of the same compound are shown. in what way is model b better than model a? model b shows the types of elements in the compound, but model a does not. model b shows the three-dimensional shape of the molecule, but model a does not. model b shows how the atoms in the molecule are connected, but model a does not. model b shows the number of atoms of each element in the molecule, but model a does not

Which stable element is used to determine the age of volcanic rock? a- argon b- carbon-14 c- potassium d- carbon-12