B. 0.9 <span>
</span>D.Light intensity has no effect on whether electrons are emitted or not.
and
A. X=1.9eV,Y=0.2eV
I already took the gizmo so I know these are right. The first one I got wrong b/c there was no graph and the last one I didn't understand. Basically for the last one you calculate the work function for the metals and find their difference.
Hope this helps.
Answer:
B. Electrons can exist in between energy levels
.
Explanation:
The value of energy for each energy level in an atom is quantized. Thus, electrons are not allowed to be found in between the energy levels.
When an electron absorbs energy, it becomes excited. And it would jump to a higher energy level whose energy is equal to the new energy of the electron. If the value of its new energy is less than the energy of higher levels but greater than the energy of it current energy level, the electron remains in its initial level. This is because, electrons do not exist in between energy levels
.
The nonmetal elements have a negative charge.
<span>Deuterium itself is not on the periodic table, but it is known as a heavy hydrogen which is on the table. The nucleus of deuterium is called deuteron and has a neutron in it while most commonly protium has no neutrons in its nucleus. Deuterium is one of two different stable isotopes of hydrogen. I'm not entirely sure on what answer you needed, but I hope this helped:)
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True!!!!!!!!!!!!!!!!!!!!!!!!!!!!!