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Friendly Chemistry Lesson 3
Terms in this set (10)
What charge do electrons carry?
Electrons carry a negative electrostatic charge
What charge do protons carry?
Protons carry a positive electrostatic charge
What charge does the nucleus carry?
What charge does the electron cloud carry?
What is responsible for the way elements react with other elements?
The arrangement of electrons around each nucleus of an element's atoms determines the reactivity of that element.
What area of scientific knowledge is used to describe the arrangement of electrons about an atom's nucleus?
What is the first quantum number?
Principle quantum number. Each number (1-7) corresponds to a level of energy, 1 being closest to the nucleus, 7 being the farthest away.
What is the second quantum number?
Orbital quantum number. Tells the shape of the orbit that the electrons follow. s, spherical. p, pear-shaped. d, f. D may be shaped life dumbbell.
What is the third quantum number?
Magnetic quantum number. Tell direction or orientation in space that each orbit has. X, left to right, y, up and down, z, into and out of the page.
What is the fourth quantum number?
Spin quantum number. Tells direction the electrons are rotating. Two electrons in each orbit. Spinning in opposite directions.
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