The coefficients in a balanced chemical equation represent

Which of the following is not a characteristic of science? science is a process. science is a body of knowledge. science must follow the scientific method. science is not testable.

Consider the oxidation of sodium metal to sodium oxide described by the balanced equation: 4 Na (s) + O2 (g) → 2 Na2O (s) As you can see there are letters in parentheses after each substance.

True or False: the force of attraction that holds two atoms together is called a chemical bond

Rachel is given 50 grams each of three different white powders that look very similar. She is told that each of these powders is commonly used in cooking. Without tasting any of them, she is asked to try to identify them.

Which statement correctly describes the phosphate ion, PO4/3-? It is composed of one phosphorus atom and four oxygen atoms covalently bonded together, and there is a - 3 charge distributed over the entire ion.

Particles in a liquid move around just as freely as particles in a solid. True or False

How did aristotles idea of matter differ from that of scientists

How does ease of oxidation correlate with activity? Do highly active metals tend to donate electrons or accept electrons from other metals?

A horizontal row of elements in the periodic table is known as a group or period

When forces attracting solvent particles to each other are broken, what is provided for a solution? energy for the solute to precipitate space for the solute in the solvent inertia for the solute to move into the solvent nothing is provided