Mix Up
Matter
Motion
Atom
Periodic Table
100
The SI unit that is usded to measure time is what?
What is second
100
Matter in which the particles are free to move in all directions until they have spread evenly throughout their container is a what?
What is gas
100
Inertis varies depending on what?
What is mass.
100
A chemical symbol represents the ____________ of an element?
What is name
100
What is the total number of atoms in the compound Ca(ClO3)2?
What is 9
200
A rule that describes what happens in nature is a what?
What is scientifc law
200
Increasing what raises the boiling point of a liquid.?
What is pressure
200
The upward force on an object falling through the air is what?
What is air resistance.
200
A particle that moves round the nucleus is a(n) what?
What is electron
200
Whaty is the charge of phosphate in K3PO4?
What is 3-
300
Motion is a change in what?
What is position.
300
Compared to most substances, water is unusual because it ______ when it goes from solid to liquid state?
What is expands
300
what is another name for a homogeneous mixture?
What is solution
300
A group of covalently bonded atoms that acts together as one charged atom is what?
What is polyatomic ion
300
Metals can be used as wire because they are what?
What is ductile
400
what is Not a homogeneous mixture?
What is permanent-press fabric
400
which of the following devices does not make use of electrical energy? a.upright piano b.radio c.toaster d.digital camera
What is A.upright piano
400
fog is an example of a what?
What is colloid
400
A chemical bond that occurs when atoms share electrons is a(n)___________bond.
What is covalent
400
Radioactive elements comprise a majority of the what?
What is actinides
500
The what tells you how many electrons an atom must gain, lose, or share to become stable.
What is oxidation number
500
The kinetic energy of an object increases as its___________increases.
What is velocity
500
Examples ofphysical change are what?
What is boling water bursting balloon crumpling a piece of paper
500
How many electrons are needed in the outer energy levels of most atoms for the atom to be chemically stable?
What is 8
500
The noble gases are in what?
What is group 18
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