Chemistry- chap 4 and 5

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How many s orbitals can there be in an energy level

1

Which is the lowest energy level that can have a s orbital

1

How many d electrons can there be in an energy level

10

How many f electrons can there be in an energy level

14

How many electrons can occupy an s orbital

2

How many electrons can the first principal energy hold?

2

Which is the lowest energy level that can have a p orbital

2

How many p orbitals can there be in an energy level

3

How many possible orientations are there for the p orbital?

3

Which is the lowest energy level having d orbitals

3

Which is the lowest energy level having f orbitals

4

How many d orbitals can there be in an energy level

5

How many f orbitals can there be in an energy level

7

How many electrons can the second principal energy level hold?

8

Excited state

A state in which an atom has a higher potential energy than it had in its ground state

The third principal energy level can hold 18 electrons. What orbitals are found in the third principal energy level ?

D,P,S

What does the spin quantum number indicate ?

Direction of spin

Aufbau principle

Electrons occupy lowest energy levels first

What does the principal quantum number indicate ?

Energy level

The first three quantum numbers completely indicate

Energy level, orientation , and shape

What information does the first three quantum numbers indicate ?

Energy, shape, orientation in space

The fourth energy level can hold 32 electrons. What orbitals are found in the fourth principal energy level?

F,D,P,S

The quantum number designated in ascending order use the letters

N L M S

Is it possible for 2 electrons in the same atom to have exactly the same set of quantum numbers ?

No, Pauli exclusion principle

Hunds rule

Orbitals of equal energy are filled one electron at a time

What does the magnetic quantum number indicate ?

Orientation of electrons

Orbitals with different shapes occupy different regions. These regions are called ___

Orientations

Valence

Outermost energy level (leading coefficient)

Photon

Particle of electromagnetic radiation having zero mass and carrying a quantum of energy

What are quantum numbers?

Specfic propertirs used to describe and characterize electrons

What does the fourth quantum number indicate ?

Spin

Electronegativity

Tendency of an atom in a bond to attract electrons

Wavelength

The distance between corresponding points on adjacent waves

Continuous spectrum

The emission of a continuous range of frequency of electromagnetic radiation

Photoelectric effect

The emission of electrons from a metal when light shines on the metal

Ionization energy

The energy necessary to remove the most loosely held electron from an atom

Atomic radii(radius)

The more protons you have , the stronger the pull

What does the orbital quantum number indicate ?

The shape of the electron

In the nth principal energy level , orbitals of ___

n^2

What are the p orientations called ?

px,py,pz

What is the shape of the s orbital ?

sphere o

What is the shape of the p orbital

Figure 8

Electromagnetic radiation

Form of energy that exhibits wavelike behavior as it travels through space (ex: X rays , ultraviolet, microwaves)

Emission line spectrum

Four bands of light were part of what is know as hydrogens _____

Distinguish between an atom in its ground state and an excited atom

Ground: lowest energy state of an atom Excited : state in which an atom has a higher potential energy than it has in its ground state

Frequency

Is defined as the number of waves that pass a given point in a specific time, usually 1 second (Hz) hertz

Ground state

Lowest energy state of an atom

The letter ,n, is users to designate the principal quantum(true or false)

True

There is only one orientation of the s orbital (true or false)

True


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