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ATOMIC CONCEPTS

Across
Atoms of the same element that contain different number of Neutrons are called _______. (20)
The amount of energy required to remove the most loosely bound electron from an atom in the Gas Phase is called the___________ENERGY. (19)
Each _______is a region in space where the probability of finding an electron of a certain specified energy is very High. (17)
The mass of a ______ is approximately the same as the mass of a Neutron. ( 16)
The electrons in the outermost energy level of an atom are called the_______ electrons. (20)
Down
Each element when excited by electricity or heat produces a characteristic set of ________lines by which that element can be Identified. (19)
An atom that has all of its electrons in the lowest available energy levels is said to be in the ______ state. (18)
When an electron absorbs energy and moves to a higher energy level it is said to be an _____state. (18)
The atomic number of this element is six and the Mass Number is 14.________. (195)
The mass Number minus the Atomic Number is used to determine the Number of ________. (16)