Which element has 38 electrons, is found in group 2, period 5? Fun fact: This element gives us the bright red colors in fireworks!

If the theoretical yeild for a reaction is 156 grams and you actually made 122 grams of the product, what is your percentage yeild

Which of the following is an important difference between climate and weather? A. Climate deals with a longer time period than weather. B. Weather describes wind direction and climate doesn't. C. Climate describes wind direction and weather doesn't.

Two most important alkali metals are sodium and lithium. true or false.

What is a substance which allows the red blood cells to carry oxygen and iron.

What is the electronic geometry of h2o? enter the electronic geometry of the molecule?

Copper (cu) is a transition element used in the making of coins. calculate the mass in grams of 0.0420

In 1864, the Solvay process was developed to make soda ash. One step in the process is represented by the balanced equation below.

A chemist must prepare of aqueous potassium permanganate working solution. He'll do this by pouring out some aqueous potassium permanganate stock solution into a graduated cylinder and diluting it with distilled water.

What is the best name for the molecule below? a compound with 10 total carbons with a double bond and the rest single bonds.

What Word means the gradual change and build up of organisms in an enviroment