Which diagram or diagrams represent a single element? Explain

A) If you weigh a hydrated compound before and after heating it. Do you expect the mass to be more or less than before heating? Explain why. b) How about if you weigh a bag of popcorn before and after heating it.

Are diamonds shiny or dull? Also can you give me an example of dull?

What does increase mean in science

How many grams of sodium sulfide can be produced when 45.3 g Na react with 105 g S? Unbalanced equation: Na + S → Na2S Show, or explain, all of your work along with the final answer.

How are ammonia, salt, and water related

Which element is used to "paint" the skin to prevent infection from cuts and scratches

A homogeneous mixture in which one substance is dissolved in another substance is known as a (n)

Determine the mass of 1.68*10^ 35 atoms of neon gas

What is the molar mass of Sr (OH) 2

Which quantity will increase if the temperature is raised? A. grams of product produced in one minute B. grams of product at the end of the reaction C. concentration of product at the end of the reaction D.