Matter
Your hands are made up of.
What is matter?
Page: 313
Scientific tool that atoms can be seen with.
What is a microscope?
Page: 315
T or F:
Alpha particles bounce backwards.
What is True?
Page: 320
T or F:
1,000 years ago, people tried to change lead into gold by performing chemical reactions; they were successful.
What is False?
Page: 330
A process that occurs when an unstable atomic nuclear changes into another more stable nuclear by emitting radiation.
What is nuclear decay?
Page: 331
The 4 elements early Greek philosophers believed matter was only made up of.
What is fire, water, air, and Earth?
Page: 313
The smallest piece of an element that still represents that element.
What is an atom?
Page: 315
Most of an atom's mass and positive charge that is concentrated in a small area in the center of an atom.
What is the nucleus?
Page: 320
Elements that spontaneously emit radiation.
What is radioactivity?
Page: 330
There are this many types of nuclear decay.
What is 3?
Page: 331
Man who made up the idea of matter.
What is Democritus?
Page: 313
A microscope with a tiny metal tip to trace the surface of a piece of matter.
What is an STM?
Page: 315
A proton's positive charge looks like.
What is (1+)?
Page: 320
Uranium is made of.
What is energy and particles?
Page: 330
The three types of decay.
What is Alpha Decay, Beta Decay, and Gamma Decay?
Page: 331
Small, solid objects that can not be divided, created, or destroyed.
What is matter?
Page: 314
Negatively charged particles in an atom.
What are cathode rays?
Page: 316
Elements give this off when they are heated in a flame.
What are specific colors of light?
Page: 321
When uranium releases radiation.
What is changes to a different element?
Page: 330
Alpha and beta decay does this to elements.
What is changes them into another element?
Page: 331
Man who challenged Democritus with his idea of matter.
What is John Dalton?
Page: 314
Where small, negatively charged particles came from.
What is the electrode?
Page: 317
The way electrons move in Bohr's atomic model.
What is circular orbits around the atom?
Page: 321
Where radiation comes from.
What is the nuclei of the uranium atoms?
Page: 330
Radiation therapy is beneficial to.
What are humans?
Page: 331