Based on the ionization energies of the alkali metals, which alkali metal would you expect to undergo the most exothermic reaction with fluorine gas?

The first element on the periodic table of elements is carbon. a. true b. false

What are the first two quantum numbers for the electrons located in subshell 4d? what are the first three quantum numbers for the electrons located in subshell 2s? how many electrons can be held in a sublevel l = 3? how many electrons can be held in the energy level n = 4? how many electrons in an atom can share the quantum numbers n = 4 and l = 3?

The melting point of sulfur is 115 °c and its boiling point is 445 °c. what state would sulfur be in at 200 °c?