A block of wood does not allow any light to be transmitted through it. The block of wood can best be described as

A. transparent.

B. opaque.

C. translucent.

D. invisible.

What is the difference between a metal and a non-metal? (Use terms such as appearance, conductivity, and malleability)

Which statement identifies the function of a cathode in every electrochemical cell?

the distance from earth to the moon is approximately 3.84x10^5 km. how long would it take a radio wave with the frequency 7.25x10^5 Hz to travel from Earth to the moon

What is the ph of an aqueous solution with the hydronium ion concentration : [h3o+] = 3 x 10-5 m?

Which method would increase the solubility of a gas? increasing the pressure stirring the solvent quickly increasing the temperature decreasing the amount of solvent

Modern scientists use a version of the metric system called

Which element has a larger ionic radius than calcium? a. sodium b. gallium c. magnesium d. potassium

Which solution contains the largest number of moles of chloride ions? a. 30.00 ml of 0.100m cacl2 b. 10.0 ml of 0.500m bacl2 c. 25.00 ml of 0.400m kcl d. 4.00 ml of 1.000m nacl e. 7.50 ml of 0.500m fecl3?

What is the chemical formula of titanium (II)

Not related to any subject but how do you tell someone you like them?