Chlorine-35 has 17 protons. How many protons and neutrons does the isotope chlorine-36 have?

Read the chemical equation. N2 + 3H2 → 2NH3 Using the volume ratio, determine how many liters of NH3 is produced if 3.6 liters of H2 reacts with an excess of N2, if all measurements are taken at the same temperature and pressure? 5.4 liters 2.

All of the following are signs that a chemical reaction may have taken place in a piece of glass except. a. the shape of the glass changes. b. energy is used or given off. c. new substance besides glass are formed. d. the glass changes color.

Which expression could represent the concentration of a solution? A) 3.5 g B) 3.5 M C) 3.5 mL D) 3.5 mol

What is carbon a solid, liquid or a gas

Match the terms to their definitions a reproductive cell

How many moles are in 25.2g of KMnO4?

Lewis diagram of Ozone

Name the feature of the ocean floor shown at A and describe how it's formed.

A certain element consists of two stable isotopes. The first has a mass of 62.9 amu and a percent natural abundance of 69.1 %. The second has a mass of 64.9 amu and a percent natural abundance of 30.9 %. What is the atomic weight of the element?

Nonmetals rarely lose electrons in chemical reactions because?