Whats is group name for groups 3-12
Transitions
What does strong force mean
strong force is the force that causes protons and neutrons to be attracted to each other
What is the process of nuclei decaying and emitting matter and energy
Radioactivity
What are all 3 particles
Alpha, beta, gamma
The process of changing one element into a different element
transmutation
What group are the noble gases
The noble gases are group 18
Are electrons inside or outside of the nucleus
Outside.
Repulsive force
net force
Smallest particle
Gamma
What is a series of repeated fissions called
Chain reaction
What do the dots on the lewis dot structure represent
The group number
What is the charge of electrons neutrons and protons and which are in and outside of the nucleus
proton=positive
neutron=neutral
Electron outside
neutron and proton inside
What does the strong force pull together
Proton neutron
Most dangerous particle
Gamma
Tool doctors use to follow where molecules go in the human body
Tracers
What are the two elements that are water at room temperature
Mercury bromine
what determines the nucleus's total charge
The amount of protons
Is radioactivity dangerous without the correct gear.
Yes
Biggest particle
alpha particle
Half of the nuclei in sample of a isotope
Half life
Which group are the akali metals
And akali earth metals
1 and 2
True or false
The protons and neutrons are loosely put together
FALSE!
they are tightly packed
What amount of protons makes them radioactive
84 and above
Medium particle
beta particle
What is the transmutation for beta
0
-1 e