Study sets matching "isotopes chemistry"
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dmitri mendeelev
periodic table
henry mosley
representative elements
organized elements in columns in order of increasing atomic ma…
a chart that organizes known elements into a grid of horizonta…
arranged the periodic table by atomic number
the elements group 1, 2, and 13 to 18 possess a wide range of…
dmitri mendeelev
organized elements in columns in order of increasing atomic ma…
periodic table
a chart that organizes known elements into a grid of horizonta…
Isotopes
Isotopes are ;
Isotopes have ;
Isotopes are chemically alike because ;
-sam number of protons... -same number of electrons... -different nu…
atoms that have the same number of protons but different numbe…
same atomic number, but different mass numbers
they have identical numbers of protons and electrons, which ar…
Isotopes
-sam number of protons... -same number of electrons... -different nu…
Isotopes are ;
atoms that have the same number of protons but different numbe…
What is an isotope?
What does the number next to the isotop…
How can you tell isotopes apart?
How do isotopes compare in terms of ato…
Atoms of the same element with the same number of protons, but…
The atomic mass.
By their neutrons and atomic mass.
Both elements will have the same number of protons.
What is an isotope?
Atoms of the same element with the same number of protons, but…
What does the number next to the isotop…
The atomic mass.
Energy Levels
Quantum
Quantum mechanical model
Atomic orbital
The fixed energies an electron can have
Is the amount of energy required to move an electron from one…
Determines the allowed energies an electron can have and how l…
A region of space in which there is a high probability of find…
Energy Levels
The fixed energies an electron can have
Quantum
Is the amount of energy required to move an electron from one…
isotopes
atomic number
mass number
atomic mass number
atoms of the same element with different numbers of neutrons
number of protons and number of electrons
number of protons + number of neutrons
average, rounds to most abundant
isotopes
atoms of the same element with different numbers of neutrons
atomic number
number of protons and number of electrons
Number of protons in an atom
the atomic number identifies an element
they are listed in increasing atomic nu…
the atomic number is equal to the numbe…
atomic number
what does the atomic number do
How are the atomic numbers listed
The atomic number is equal to what in an atom
Number of protons in an atom
atomic number
the atomic number identifies an element
what does the atomic number do
Number of protons in an atom
the atomic number identifies an element
they are listed in increasing atomic nu…
the atomic number is equal to the numbe…
atomic number
what does the atomic number do
How are the atomic numbers listed
The atomic number is equal to what in an atom
Number of protons in an atom
atomic number
the atomic number identifies an element
what does the atomic number do
What are isotopes?
If they had different atomic numbers...
What are a popular pair of isotopes?
What is Carbon - 14
Isotopes are different atomic forms of the same element, which…
They'd be different elements altogether
Carbon - 12... Carbon - 14
It's unstable and makes up one millionth of the carbon in livi…
What are isotopes?
Isotopes are different atomic forms of the same element, which…
If they had different atomic numbers...
They'd be different elements altogether
What is an isotope?
What is relative atomic mass?
How do you figure out the relative atom…
What is relative formula mass?
Isotopes are: different atomic forms of the same element, whic…
It's the average mass of all the isotopes of an element (mass…
One) multiply the mass of each isotope by its relative abundan…
It is the sum of all the relative atomic masses (Mass numbers)
What is an isotope?
Isotopes are: different atomic forms of the same element, whic…
What is relative atomic mass?
It's the average mass of all the isotopes of an element (mass…
Who discovered the electron?
What experiment was used to discover th…
What experiment was used to discover th…
Who discovered the neutron?
Thompson
gold foil experiment
cathode ray experiment
Chadwick
Who discovered the electron?
Thompson
What experiment was used to discover th…
gold foil experiment
how to find the charge of an atom?
protons tell you what?
in hyphen notation, what number do you…
the atomic number is what of the elemen…
electrons minus protons
atomic number
the mass number
dna
how to find the charge of an atom?
electrons minus protons
protons tell you what?
atomic number
Isotopes
Relative Atomic Mass
what dod we call the abundance of an is…
Radioactive Isotopes
these have the same atomic number but different mass numbers
this is the average mass of all the isotopes of that element
when they occur in different amounts in a sample of the element
when isotopes have unstable nuclei due to the extra neutrons
Isotopes
these have the same atomic number but different mass numbers
Relative Atomic Mass
this is the average mass of all the isotopes of that element
define the term relative isotopic mass?
one 'u' is appropriately relative to th…
why doesn't relative isotopic mas shave…
What are isotopes?
the mass of an isotope relative to 1/12 the mass of a carbon 1…
a proton or neutron
as it's a ratio of two separate masses
atoms of the same element with a different number of neutrons…
define the term relative isotopic mass?
the mass of an isotope relative to 1/12 the mass of a carbon 1…
one 'u' is appropriately relative to th…
a proton or neutron
The number of protons in the nucleus of…
In a neutral atom the number of what eq…
The total number of protons and neutron…
What are the equations to find the mass…
The atomic number
the number of protons = the number of electrons
The mass number
#neutrons + #protons = mass #... #neutrons + atomic # = mass #... #n…
The number of protons in the nucleus of…
The atomic number
In a neutral atom the number of what eq…
the number of protons = the number of electrons