Why is it important to classify things?

If there is 8 g of a substance before a physical change, how much will there be afterwards?

Out of these: which is an acid, base or neutral 1. NaCl 2. Na2SO4 3. AlCl3 4. Li3PO4 5. ZnBr2

You are told to take 2 grams of advil a day. how many milligram tablets does that equal

What will happen to the particles of a gas if the gas is transferred from a small container to a much larger container

What happens when an electron absorbs energy?

The what of a compound denotes the ratio of ions in the compound

All of the Gathered in an investigation must be recorded. (Fill in the blank)

What mechanical waves needs a medium to travel through? A. all mechanical waves need a medium to travel through B. surface waves only C. transverse and longitudinal waves only D. longitudinal and surface waves only

Which of the following statements correctly describes how Moseley's research affected the development of the periodic table? Moseley's research led to the reorganization of the elements based on their atomic mass instead of their physical appearance.

A minerals luster is produced by its ability to transmit light. Opaque minerals always have a metallic luster because they do not transmit any light. True False