If a molecule is polar, what is true about the distribution of its valence electrons?

What is the correct lewis structure for chloroform chcl3

George is a dalmatian puppy. describe what happens to light that allows you to see george’s black and white coat.

When the chemicals iron sulfide (fes) and hydrochloric acid (hcl) are combined, bubbles appear from the mixture. 1. does the appearance of bubbles indicate a physical or chemical change? 2. why do the bubbles indicate this change? 3. what property is this?