The valence electrons found in metallic bonds give metals which characteristics?

a. conductivity
b. free-roaming electrons
c. the ability to form covalent bonds
d. electrons that lack movement

(there are more than one)

*will mark you brainliest + 15 points ** why does the equilibrium of a system shift when the pressure is increased? a. to maximize the stress on the system b. to stop restoring equilibrium to the system c. to increase the total moles of gas in the system d. to decrease the total moles of gas in the system

Calculate the energy required to ionize a hydrogen atom to an excited state where the electron is initially in the n = 5 energy level. report your answer in kilojoules

In which block of the periodic table is uranium (u) found? s blockd blockp blockf block