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What are Actinoids Video Lecture - NEET
FAQs on What are Actinoids Video Lecture - NEET
| 1. What are actinoids? |  |
Ans. Actinoids are a group of chemical elements that belong to the Actinide series of the periodic table. These elements are characterized by their atomic numbers ranging from 89 to 103 and have similar properties due to the filling of their 5f orbitals.
| 2. How many actinoid elements are there? | |
Ans. There are a total of 15 actinoid elements. These elements include thorium (Th), protactinium (Pa), uranium (U), neptunium (Np), plutonium (Pu), americium (Am), curium (Cm), berkelium (Bk), californium (Cf), einsteinium (Es), fermium (Fm), mendelevium (Md), nobelium (No), lawrencium (Lr), and rutherfordium (Rf).
| 3. What is the significance of actinoid elements? | |
Ans. Actinoid elements have both practical and scientific significance. They are used in various applications such as nuclear reactors, nuclear weapons, and radioactive dating. These elements also play a crucial role in scientific research, particularly in the study of nuclear structure and properties.
| 4. Are actinoids radioactive? | |
Ans. Yes, all actinoid elements are radioactive. They have unstable atomic nuclei that undergo radioactive decay, emitting radiation in the form of alpha particles, beta particles, or gamma rays. Their radioactive nature is a result of their high atomic numbers and the instability of their 5f orbitals.
| 5. Can actinoid elements be found in nature? | |
Ans. Yes, some actinoid elements can be found in nature, although they are relatively rare. Uranium, thorium, and traces of neptunium and plutonium are naturally occurring actinoids. However, most actinoid elements are produced artificially through nuclear reactions and are not commonly found in nature.
Text Transcript from Video
oh I'm so excited you see this next
group the actinides is my group I sit
right here between fermium and nobelium
we're a pretty awesome group in fact
we're what's hot radioactive hot that is
every actinide is radioactive and that's
made us famous
you might recognize plutonium from yeah
that and uranium well uranium is famous
for yeah he's had some meltdowns
sure thorium is more abundant and
doesn't have the same potential for
meltdowns but uranium is still the star
when it comes to nuclear power because
well just because in addition to being
famous
many of us are named after famous people
in places it's pretty apparent if you
listen to our names lawrencium nobelium
fermium einsteinium curium americium
california-berkeley um some of us are
even named after gods thorium plutonium
neptunium and uranium named for Uranus
only protactinium and actinium get left
out all of us after neptunium do not
occur in nature instead we have to be
synthesized in a lab
group the actinides is my group I sit
right here between fermium and nobelium
we're a pretty awesome group in fact
we're what's hot radioactive hot that is
every actinide is radioactive and that's
made us famous
you might recognize plutonium from yeah
that and uranium well uranium is famous
for yeah he's had some meltdowns
sure thorium is more abundant and
doesn't have the same potential for
meltdowns but uranium is still the star
when it comes to nuclear power because
well just because in addition to being
famous
many of us are named after famous people
in places it's pretty apparent if you
listen to our names lawrencium nobelium
fermium einsteinium curium americium
california-berkeley um some of us are
even named after gods thorium plutonium
neptunium and uranium named for Uranus
only protactinium and actinium get left
out all of us after neptunium do not
occur in nature instead we have to be
synthesized in a lab
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Dec 22, 2024 Last updated |
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