The rate of a reaction is measured by how fast a reactant is used up to how fast a product is formed.

a. True

b. False

As matter changes it can what?

What are the ratio of the compounds how would u make one like this: 1 calcium, 1 oxygen

Use the drop-down menus to match each part of the scenario to the correct scientific practice. 1. Mike measures the growth of all six plants after one month. 2. Mike grows plants A, B, and C in the sun and plants D, E, and F in the shade. 3.

A mixture can be classified as a solution, suspension, or colloid based on the a. number of particles it contains. b. size of its largest particles. c. color of its particles. d. size of its smallest particles

Calculate the percent composition of the following: A. VO3 B. V2O5

A substance which is made up of identical atoms is a (n): chemical element compound alloy

Which answer choice correctly explains how the structure of ionic compounds differs from covalent compounds? Ionic compounds are made of a network of ions while covalent compounds are made of a network of molecules.

If 3.0 mol of NaOH is dissolved in. 50 L of water, what is the molarity? Select one

How many electrons in an atom can have a quantum number of n = 2?

Which statement comparing chemical and nuclear properties of isotopes is correct? Isotopes have similar chemical and nuclear properties. Isotopes have different chemical and nuclear properties.