Complete the electron configuration for a radium atom (z = 88) in the ground state.

The electronic configuration for Radium at ground state would be this one: but first, the ground state electron configuration is the organization of electrons all over the nucleus of an atom with lesser energy levels.

 1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 4d10 5s2 5p64f14 5d10 6s2 6p6 7s²  or in other terms [Rn] 7s2 and the term symbol is 1S0.

although world war i began in 1914, the united states did not join the war until 1917. the additional firepower, resources, and soldiers of the u.s. to tip the balance of the war in favor of the allies. remaining neutral. when war broke out in 1914, the united states had a policy of neutrality.

i believe the correct answer is option b. most eastern european nations joined nato.

though i could be wrong, option d. the eastern european nations were granted complete independence, would be another choice.

hope this ! : )