试题详情

When an electron is removed from an atom, the atom is said to be ___.

is the amount of energy required to remove an electron from an isolated atom. For a hydrogen atom,

An ion is a charged part of an atom that can have either a +/- charge.

The operation of removing an element from the stack is said to（ ）the stack.

An elderly person is more susceptible to _____________ if too much calcium is removed from the bones