What is the periodic table based on? 1. the mass of atoms.2. the charge of atoms.3. the structure of atoms.4. the color of atoms.

Janel’s class studied properties of matter and how matter can change. janel decided she would do an experiment mixing baking soda and vinegar. question: describe the properties of baking soda and vinegar, and explain the changes that janel should see when she mixes the two types of matter. •first, identify the physical state of matter of baking soda. describe another property of baking soda. •next, identify the physical state of matter of vinegar. describe another property of vinegar. •then, explain what janel should see when she mixes the baking soda and vinegar. •describe the states of matter of the new materials that are formed. •explain how janel can be certain a change has occurred. me

Which one of the following gases is not an important component of soil?

Which of the following is always a reactant in a combustion reaction? oxygen nitrogen hydrogen carbon