Chem CH.6

Which definition describes the amplitude of a wave?

The magnitude of the wave’s displacement

As wavelengths of a wave increases, which also happens

the energy decreases

How many colors are there in visible light

7

When an electron transitions from an excited state to less excited state, the difference emitted is

photon

Which of the following is the correct order of orbitals with increasing energy

s, p, d, f

Which of the following describes the Pauli Exclusion Principle

No 2 electrons in the same atom can have the same set of 4 quantum numbers

Which of the following is true about individual electrons in an atom

they are unique

electrons are always spinning

both a clockwise and counterclockwise in an orbital

which of the following best describes in an atomic orbital

all of the above

which statement describes the aufbau principle

electrons enter higherenergy subshells only after lowerenergy subshells have filled to capacity

Why do elements in the same column of the periodic table have similar chemical properties

they have the same number and distributio of electrons in their valence shell

Which of the following explains why Lithium is the largest atom in the second period but not Li+

in Li+, Li loses one electron and completes its duet

what is the speed of light of a vaccum c

2.998 × 108 m/s

which of the following behaviors does electromagnetic radiation display

both waves and particles

How are the wavelength and frequency of a wave related

inversely proportionaly

Which of these portions of the electromagnetic spectrum has the largest wavlength

radio

what is the frequency of a wave with a wavelength of 486 nm

6.17 × 1014 s-1

Which of the following is true about the simplest atom, hydrogen

one proton and one electron

According to Bohr’s model of the hydrogen atom, when does an orbiting electron emit electromagnetic radiation?

when changing orbitals

which of these would not be considered a hydrogen like atom

Mg2+

Quantum numbers are used to describe the energies at various levels of which type of particle?

electron

According to the features of electrons introduced by Bohr’s Model how does an electron energy increases

with increasing distance from the nucleus

In the expression for the de Brogile wavelength, what is the v equal to?

velocity

Which of these accurately defines the Heisenburg uncertainty principle?

It’s impossible to determine both the momentum and position of a patricle at the same time

Which of the following does the Pauli exclusion principe state

no the 2 electron in the same atom can have the same set of all 4 quantum numbers

What value identifies the allowed values for the spin quantum number

+1/2

Which of these accurately defines the principle quantum number

specifies the shell an electron occupies in an atom

Which of the followimg is used to describe the electron configuration of an atom

the number of the principal quantum shell

which of the following is a procedure described by aufbau principle

determine the electron config of an atom

electron configuration for nitrogen

1s22s22p3

Transition metal are those elements in which the last electron added enters which orbital

d

Which of the following identifies the general trend for atomic radius

increases down a group, decreases across a period

Which of these molecules would be expected to have the largest covalent radius

I2

Which correctly describes the relationship between radius of an ion and its parent atom

Cations have a smaller atomic radius

Which of these ions is NOT isolelectric with an o2- ion

K+

Which of these elements would be expected to have the largest IE1 value

Ge

Which of the following describes the process of removing an electron from an atom or ion

endothermic and ie values are always positive

Which of the following is associated with the amplitude of a wave

the perpendicular distance of the apex from the inflection point

Which of the following has lower energy than visible light

lnfra-red light

Which of the following describes the action of nodes in standing waves?

they are fixed in place

which of the following has the longest wavelength

visible light

Which of the following has the shortest wavelength and highest energy

gamma ray

what type of nature does light, a type of electromagnetic radiation have?

both particle and wave

in bohr’s model, which of the following is true about an electron that is in its lowest energy state?

its in ground electronic state

Why was bohr’s model only applicable to one electron system

bohr model uses precise orbit assumption from classical mechanics

According to the bohr model, what are quantum numbers called?

psotive integars

For both de brogile and heisenberg, what does the term h for computations represent?

planck’s constant

What is true about p-orbital

it’s dumbbell shaped

What does group 2 in the periodic table have

ns2 type outermost shell electronic configuration

which of the following is true about valence electrons

they are present in the outermost shell

electronic configuration of N3-

1S2 2S2 2P6

Which of the following is the smallest atom

F

Which of the following is smallest ion

Li+

Among period 3 elements left to right, why does Ne have the highest first ionization energy

because neon has stable octet configuartion

when is it easy to add an electron to an atom

when effective nuclear charge decreases