Which information could a student determine from only the chemical formula of a protein?
a
The physical arrangement of atoms in the structure of the protein
b
The number of atoms of each element in the protein
c
The color of the protein
d
The number of molecules in each sequence that makes up a protein

Solar energy is energy from the sun that is converted into thermal or energy. a. nuclear b. mechanical c. electrical d. chemical

Zoe is investigating the composition of substance a, an unknown substance. using chemical processes, she analyzes substance a and determines it is composed of sodium, oxygen, and hydrogen atoms in a ratio of 1 : 1 : 1. what is substance a? a. a compound b. an element c. a heterogeneous mixture d. a homogeneous mixture

The climate of the continental united states is generally 1. tropical 2. temperate 3. arctic 4. highland