Why are metals good conductors of electric current?

a.) their bonds are very weak

b.) they have a freely - moving electrons

c.) they have a very ridged lattice structure

How many grams of copper (II) fluoride are needed to make 6.7 L of a 1.2 M solution?

Sharping a pencil leaves behind pencil shavings. Is sharpening pencil a physical or chemical change

For the equilibrium reaction 2so2 (g) + o2 (g) 2so3 (g), δhºrxn = - 198 kj/mol. which one of these factors would cause the equilibrium constant to increase?

What is Halite's HCL Test?

How many 3-liter balloons could the 12-L helium tank pressurized to 160 atm fill? Keep in mind that an "exhausted" helium tank is not empty.

What happens when light from the sun passes through any type of matter? the light slows down. the light speeds up. most of the light is absorbed. most of the light is reflected.

What is the chemical name for Fe (HCO3) 2

How are protons, electrons, and neutrons correctly compared

You compare two layers to a because the crust and upper mantle are solid

A substance that speeds up the rate of a chemical reaction is called a. a catalyst. b. a lipid. c. a molecule. d. an element.