Dr. Octopus Physics Concepts Crossword

When talking about radioactive material, the time needed for half of the radioactive atoms to decay is called______.
A stream of particles that can be stopped by a piece of paper
A stream of electrons, where electrons can be kicked out of the nucleus.
Massless energy created from photons
What is an electrically charged atom?
This particle holds electrons inside its orbits.
The superglue the keeps the nucleus together.
This particle has a negative electric charge
A turning force around an axis of rotation
The perpendicular distance of force from the axis of rotation.
What most people mistake torque as _____.
A basic unit of matter
Different versions of the same element.
When ana tom can release a particle, and become the nucleus of a different element, then the atom is ___________.
When the net torques equal zero, you've reached rotational _________.
When energy is released as subatomic particles, amd ionization is created.
Torque is expressed in units called _______.
When you unlock a door, you use torque _____ times.
Holds all of the atoms particles
An Attractive Nuclear Force.