Upgrade to remove ads
Physical Science 1110 checkup #3
Terms in this set (21)
a substance with regions of differing properties
a heterogeneous combination of two or more substances that retain their individual properties and can be separated by physical means
the method used to separate solid from liquid components in a mixture
the method used to separate components in a solution
the method used to separate components of a mixture based on their attraction to another substance
a heterogeneous mixture in which particles of one substance are suspended in another
absence of definite proportions components which can be separated by physical means lack of uniform composition
the properties of a heterogeneous substance include
particles in a colloid are large enough to cause light dispersion and particles in a colloid will settle out in time
colloids differ from solutions because
during _________ distillation, a solution is heated and its components drawn off as they reach their different boiling points and evaporate.
Because remaining ash weighs less than the substance which burned, scientists developed the ______________ theory.
because no one has ever seen an atom.
It was necessary to design atomic models
Atomic models can only help ________ the _________of atoms.
__________ are in orbit around the __________ of an atom.
As they orbit the nucleus, electrons also ________ which causes ____________.
Electrons move so fast in orbit that, even with the most powerful microscope, they appear to be a ______around the nucleus of an atom.
The atom's nucleus contains both ________ and ________.
Because they have opposite electrical charges, a neutral atom must contain an equal number of ________ and _________.
orbits, electrons, nucleus
Most of an atom's volume is taken up by the ________ of the __________; most of its mass is contained in its ___________.
neutron, no charge, no effect
The __________ was discovered much later than the other parts of the atom because it carries ________ and usually has _________ on other objects.
Neutrons, positive protons, protons, neutrons
_____________overcome the repulsive force of the _________________ and bind the _________ and __________together.
neutrons, neutrons, isotopes.
An atom may contain more or fewer ________ than other components; these atoms with different numbers of __________ are called ___________.
This set is often in folders with...
Physical Science 1110 Checkup #2
Physical Science 1110 Checkup #1
Physical science 1109 actual test
Physical science 1110 test
Other sets by this creator
MP Astronomy Star and Constellation matchup
MP Astronomy Unit 1 Review Set
Physical science 1110
Prima Latina Lesson 3 and 4
Other Quizlet sets
Economics Unit 1 Test Review
Introduction to Insurance and Coding
History quiz 1