Fluorine and Nitrogen react to form a covalent molecule. Which best describes the molecule they will make?

There are 3 Nitrogens and 1 Fluorine. Nitrogen will be the central atom.

There are 3 Fluorines and 1 Nitrogen. Fluorine will be the central atom.

There are 3 Nitrogens and 1 Fluorine. Fluorine will be the central atom.

There are 3 Fluorines and 1 Nitrogen. Nitrogen will be the central atom.

What is the ph of a solution that has a hydrogen ion concentration of 1.0 * 10 -9 m?

The reactions of photosynthesis occur in the of plant cell? a.mitochondria. b. lysosomes. c. chloroplasts. d. chlorophyll

You exhale co2 which is produced during cellular respiration.  co2 combines with the water in your blood's plasma to make up one half of the body's most important buffer pair, carbonic acid.  the more physical activity you engage in, the more co2 your body is producing.  you can see this by putting some of the cabbage indicator in a glass and then blowing bubbles into it through a straw.  can you see a change in the color of the indicator?