If an element has 2 valence electrons, how many dots will be in the elements dot diagram?

How does a campfire involve energy? Is it endothermic or exothermic? What would be the system and what would be the surroundings?

Why are the outer-most electrons the only ones included in the electron dot diagram?

A sample of gas occupies 10.0 l at 100.0 torr and 27.0 c. calculate the pressure if the temperature is changed to 127c while the volume remains constant. (133 torr)

What type of reaction occurs when reactants absorb heat energy to form products? a. endothermic b. exothermic c. acid-base d. nuclear

List the following in smallest to largest: -Glucose -Carbonic Acid -Hydrogen Gas -Atom -Proton -Sodium Chloride -Triglyceride -Electron -Protein -Amino Acid

Gases and liquids will both expand to fill their container. True False ... ?

Which of the following best explains why electrometallurgy is a useful process in many industries? A.) Electrometallurgy can etch permanent marks and designs into the surfaces of metal products. B.

Your TLC results for ortho-hydroxyacetophenone versus para-hydroxyacteophenone will indicate that one compound is significantly less polar than the other.

A box contains equal amounts of helium, argon, and krypton (all gases) at 25 ∘c. part a consider the temperatures, masses, average velocities, and average kinetic energy of the three kinds of gas in the mixture.

Why are coastal zones productive?