A theory is an assumption made by scientists and implies a lack of certainty. T or F?

An electron can often be removed from an atom because it is a. negative. b. not attracted to the nucleus of the atom it surrounds. c. affected by friction since the attraction to the nucleus is sometimes not very strong. d.

Why were you not asked to predict whether or not an ion is polar?

How many elements are in 2CaCO2 and C8H10N4O2

Consider the following reaction: COCl2 (g) ⇌ CO (g) + Cl2 (g) A reaction mixture initially contains 1.6 M COCl2. Determine the equilibrium concentration of CO if Kc for the reaction at this temperature is 8.33 * 10-4 (Hint: Note the size of Kc).

Nylon is a polymer which is termed as

How many neutrons are in Cesium-130 (Cs) ? 55 75 130 185

An atom in a pure metal that's face-centered cubic has ___ neighbor atoms.

Rank the following bonds from strongest to weakest and provide the bond energy: the bond between hydrogen and oxygen in a water molecule; the bond between sodium and chloride in the NaCl molecule; the bond between atoms in a metal;

In an endothermic reaction do the reactants or the products have the lower potential energy

What kind of nuclear reaction would result in the release of a beta particle