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Why cant you add the average masses of each of the isotopes and divide to get overall average of the atoms?
Because the isotopes do not appear in equal amounts. This is hardly surprising since many isotopes experience radioactive decay and change to other elements after decay while stable isotopes persist - thus stable isotopes will usually dominate as the most common isotopes for individual elements with those with the longest half-lifes being more common than those with shorter half-lifes. Of course when you get into the heaviest elements there don't seem to be any stable isotopes so those with longest half life dominate.
How are isotopes and ions and elements produced?
You add or remove one or more neutrons from each atom.
Compare the atomic numbers of isotopes to mass number of the same element?
The atomic number of isotopes of the same element is the same because they all have the same number of protons in their nucleus. The mass number of isotopes, however, can vary because it is the sum of protons and neutrons in the nucleus, and different isotopes can have different numbers of neutrons.
What do you need to do to the proton in order to change the element?
Protons basically determine what type of element you end up with. All you really have to do is add or subtract protons and you will end up with a completely different element. Also removing or adding specific numbers of neutrons can result in radioactive isotopes of that element.
Do you need to add or subtract heat make a solid into gas?
Add heat.
Is uranium a example of a radioactive element?
All elements have radioactive isotopes. Add a couple of hundred neutrons, and any stable element becomes radioactive.Technetium, promethium, and anything heavier than bismuth (element 83) will have radioactive decay.radio active elements can be uranium,radium,thorium,polonium,actinium etc.usually all elements of atomic number higher than 82 show radioactivity.
Why cant you add the average masses of each of the isotopes and divide to get overall average of the atoms?
Because the isotopes do not appear in equal amounts. This is hardly surprising since many isotopes experience radioactive decay and change to other elements after decay while stable isotopes persist - thus stable isotopes will usually dominate as the most common isotopes for individual elements with those with the longest half-lifes being more common than those with shorter half-lifes. Of course when you get into the heaviest elements there don't seem to be any stable isotopes so those with longest half life dominate.
How are isotopes and ions and elements produced?
You add or remove one or more neutrons from each atom.
Compare the atomic numbers of isotopes to mass number of the same element?
The atomic number of isotopes of the same element is the same because they all have the same number of protons in their nucleus. The mass number of isotopes, however, can vary because it is the sum of protons and neutrons in the nucleus, and different isotopes can have different numbers of neutrons.
What do you need to do to the proton in order to change the element?
Protons basically determine what type of element you end up with. All you really have to do is add or subtract protons and you will end up with a completely different element. Also removing or adding specific numbers of neutrons can result in radioactive isotopes of that element.
Do you need to add or subtract heat make a solid into gas?
Add heat.
How do you heat water without energy?
No energy, no heat. So you cannot add heat.
What is inner core made out of?
Solid iron and nickel at the inner core, due to the Pressure. And surrounded by the outer core, which with less pressure is liquid, but at essentially the same temperature - about 5700 K. Many of the heavy minerals here are radioactive, hence the internal heat, though gravitational compression will add a little heat as well.
Matter changes if you add what?
heat
What happens to liquid water when you add heat?
When you add heat to liquid water it gets warm. If it gets warm enough it will boil and evaporate.
What happens if you add heat to sulfur?
and add it to water
Do alloys produce heat resistance?
Alloys can add heat resistance to a metal
