Atomic STRUCTURE

Question 1

The smallest particle of an element that retains the characteristics of the element.

Answer 1

Atom

Question 2

All elements are arranged in the periodic table of elements in order according to their

Answer 2

Atomic number

Question 3

The ___- equals the number of protons in the nucleus, which is the same as the number of electrons in an electrically balanced (neutral) atom.

Answer 3

Atomic number

Question 4

discrete distances of electrons in the nucleus of an atom.

Answer 4

Electron Orbit

Question 5

energy bands formed by group of electron orbits, represented by number 1, 2, 3, etc.

Answer 5

Electron Shell

Question 6

Energy of an electron _______ as the distance of the electron from the nucleus ________.

Answer 6

Increases decreases

Question 7

the outermost shell of an atom

Answer 7

Valence Shell

Question 8

electrons that are in the valence shell, they have the highest energy and are relatively loosely bounded to the atom.

Answer 8

Valence Electron

Question 9

the process of losing valence electron in an atom.

Answer 9

Ionization

Question 10

ions that have more protons than electron.

Answer 10

Positive Ion

Question 11

ions that have more electrons than proton.

Answer 11

Negative Ion

Question 12

valence electrons that have acquired sufficient energy to escape the valence shell.

Answer 12

Free electron

Question 13

vacancies in the valence shell when an electron escaped.

Answer 13

Holes

Question 14

The number of electrons in a shell can be calculated by the formula

Answer 14

Ne =2nsquared