The nuclide of an element

has the same number of protons as an isotope of an element

would have more electromagnetic energy than microwaves

stands for the number of protons in the nucleus

Isotopes of a neutral element ..

have different numbers of neutrons

The atomic number is defined as

the number of protons present in an atom

is equal to the number of protons found in the nucleus

is the same for isotopes of the same element

Which below is a characteristic of metals

three or fewer electrons in the outer shell

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CHEMISTRY Atomic Structure and the Periodic Table

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Questions 50

Answers

1
Isotopes of the same element have a different number of protons
False
True
2
An ion of the nuclide of sodium has a +1 charge
No answers are correct
The nuclide has 10 electrons
The A= 22
The Z=10
3
What percentage of elements are non-metals
90%
75%
10%
25%
4
The nuclide of an element
has the same number of neutrons as an isotope of an element
no answers are correct
has the same number of protons as an isotope of an element
has the same mass as an isotope
5
Which has the most energy
they all carry the same amount of energy
violet
green
red
6
Where is the ozone layer found?
thermosphere
mesosphere
troposphere
stratosphere
7
Which wavelength is the longest?
Microwaves
Ultra violet C
Red light
infrared
8
How many d orbitals are there?
10
5
7
3
9
An atom with a z= 53 and an A = 133g/n .....
Would have 53 neutron
Would have 80 protons
Would have 80 electrons
Would have 80 neutrons
10
White light
would have more electromagnetic energy than gamma rays
would have more electromagnetic energy than uva light
would have more electromagnetic energy than uvb light
would have more electromagnetic energy than microwaves
11
All atoms are always in motion
True
False
12
There can be up to 6 electrons in the 6p subshell
True
False
13
Non-metals...
are good conductors of electricity
all answers are incorrect
are shiny in general
are all poisonous
14
How many electrons total can be held in all the p orbitals per shell?
6
2
14
10
15
Which wavelength is the shortest?
green
microwaves
electric waves
Red
16
Which one below is not a method to excite electrons ?
neutron excitation
All are methods for electron excitation
thermal excitation
photon excitation
17
How many d orbitals are there?
7
3
5
10
18
Which below is not a negative effect on humans from Ultraviolet wavelengths?
hair loss
Cataracts
Sun Burns
Skin Cancer
19
Which below has 5 valence electrons?
zinc
antimony
iodine
lead
20
Which family has the lowest ionization energy?
Rare Earth elements
halogens
alkali metals
Noble Gases
21
Z
stands for how many electrons are present
stands for the number of protons in the nucleus
stands for the isotope
stands for atomic mass
22
Which element below has the lowest electron affinity?
fluorine
potassium
Calcium
nitrogen
23
Isotopes of a neutral element ..
have different numbers of electrons
all answers can be correct
have different numbers of neutrons
have the different numbers of protons
24
Which wavelength of EMR is the longest ?
ultraviolet
microwaves
infrared
X-Rays
25
The correct molecular formula for ozone is
O4
O2
O
O3
26
The lightest subatomic particle is
electron
proton
lepton
neutron
27
which element has the lowest electron affinity?
chlorine
sulfur
oxygen
fluorine
28
An isotope with Z= 20 has a mass of 38
This isotope has 20 electrons present
all answers are true
This isotope is lighter than the nuclide
This element is calcium
29
Which family of elements have all poisonous members ?
Noble gas
halogen family
nitrogen family
transition family
30
How many different f orbitals exist?
10
5
7
14
31
Calcium and nitrogen....
would have the molecular formula Ca3N
would bond with a covalent bond
would bond using an ionic bond
would not bond at all
32
Which below has the highest ionization energy?
Oxygen
Sulfur
nitrogen
silicon
33
Which element below has the lowest ionization energy?
Aluminum
helium
Magnesium
Fluorine
34
The atomic number is defined as
the number of neutrons in an atom
the number of protons present in an atom
all answers are correct
the number of electrons present in an atom
35
An atom has a Z= 51 and contains 70 neutrons .
This element is the normal nuclide of antimony
no answers are correct
It's atomic mass is 131g/n
This element is Sn
36
The atomic number
is equal to the number of protons found in the nucleus
is the sum of the electrons and protons
is equal to the number of protons found in the shells
is represented by a capital letter A
37
An isotope with an A = 60 and 25 neutrons ....
would be bromine
would be Neodynium
would be barium
would be Manganese
38
Emission Spectra
help identify the magnetism of an element
Are the same for elements in the same family
show the wavelengths of light absorbed when white light is shown
no answers are correct
39
1S²2S²2P⁶
is neon
is in the noble gas family
is completely inert
all answers are correct
40
Which is the longest wavelength?
Red
green
X-rays
gamma waves
41
Atoms of the same element with different numbers of electrons are ....
isotopes
ions
nuclides
all answers are correct
42
Which element below does not follow the octet rule of valence electrons
Neon
helium
sodium
All elements follow the octet rule
43
Which one below is not a nucleon
proton
neutron
electron
all are nucleons
44
Emission spectra
are the distinct wavelength of light that are absorbed
are all the wavelengths of the EM spectrum
no answers are true
is the same for isotopes of the same element
45
The heaviest part of an atom is...
neutron
proton
bozon
electron
46
1S²2S¹
no answers are correct
this is the lewis structure for beryllium
This is the lewis structure for helium
this is the lewis structure for lithium
47
Metals...
have four or more electrons in the valence shell
have high ionization energies
have low electron affinities
no answers are correct
48
Which below is a characteristic of metals
high ionization energy
high electron affinity
three or fewer electrons in the outer shell
brittle
49
Metals.......
no answer is correct
usually combine using covalent bonds
Have high ionization energies
have high electron affinities
50
Which family has the highest electronegativity?
alkaline earth metals
halogens
noble gases
alkali metals

CHEMISTRY Atomic Structure and the Periodic Table Flashcards | StudBud