Explain why there is a greater increase in effective nuclear charge from left to right across a period than there is top to bottom in a group.​

If the element whose electric configuration ends in the d sublevel, the element is calssified as? a.inner transition b.noble gases c.representative d. transition

Select all of the statements which are true. electrons are located in shells or orbits around the atom. electrons orbit slowly around the atom. electrons travel in one flat path around the nucleus of an atom. the valence of an atom is determined by the number of electrons in the atom's outermost shell.

The equation picture below shows which type of nuclear reaction u 235 + n x e 134 + sr 100 + 2n