This type of nuclear reaction combines two smaller elements into a larger one
Fusion
Which subatomic particle varies/changes in isotopes?
Neutrons
What is half life?
The amount of time it takes for half of a radioactive element to decay.
How many valence electrons do the elements in group 13 have?
3
What number on the periodic table represents the proton count in an element?
The atomic number
This type of nuclear reaction results in one larger atom splitting into two or more smaller ones
Fission
How many neutrons does Boron-11 have?
6
Does Helium-4 or Helium-5 have a longer half-life?
Helium-4
What makes the atomic radius bigger as you go down a group on the periodic table?
The number of electron shells?
How do you find the number of neutrons from the mass number and atomic number?
mass number (p, n) - atomic number (p)
What is the catalyst for a fission reaction? (what hits the big atom to make it split)
A neutron
Which subatomic particle is the same for all isotopes?
protons
If the half life of an element is 7 seconds, and we have 8 pounds of it at the beginning, how much of it will be left after 21 seconds?
1 pound
What is the other name for the group 18 elements on the periodic table?
Noble Gases (He, Ne, Ar, Kr, Xe, Ra)
Which element on the periodic table is the most electronegative?
Fluorine