All the representative elements (group a. in a group on the periodic table have the same number of

What is a scientific theory? a. a scientist's guess about how something works b. the results of an experiment obtained using the scientific method c. a proven fact that will never change d. an idea that is backed by data from many sources

Check the correct box to describe the periodic trends in electronegativity. electronegativity across a period: decreases. increases. electronegativity down a group: decreases. increases.

If you have 5.25 grams of methane (ch4), how many grams of co2 will you produce ?