Show:
Matter
Physical and Chemical Changes
Periodic Table
Compounds and Mixtures
Chemistry
100
The 3 main states of matter
What is solid, liquid and gas?
100
These changes are permanent
What is chemical change?
100
an atom with a positive charge
What is proton?
100
2 or more substances that can be separated by physical means.
What is mixture?
100
table use to classify elements.
What is the periodic table?
200
Water molecules move further apart because...
What is the temperature increases?
200
Change of an object into a new substance
What is chemical change?
200
the number protons is equal to which element property.
What is atom number?
200
a sample of matter that has the same composition and properties throughout
What is homogeneous mixture?
200
Use your periodic table to find the atomic mass of calcium.
What is 40.078?
300
Anything that has mass and occupies space
What is matter?
300
Burning wood(flammable) is an example of...
What is chemical changes?
300
small particles that make up most types of matter
What is atoms?
300
A combination of 2 or more elements
What is compound?
300
A solution can no longer hold any more solute
What is saturated?
400
Phases changes when temperatures increases
What is melting and vaporization?
400
_____ changes can't be reversed by physical means.
What is Physical changes?
400
A cloudlike formation surrounding the nucleus
What is an electron?
400
Vegatable salad and taco salad is an example of which type of mixture
What is hetergeneous mixture?
400
A property of metals is brittle or ductity.
What is ductity?
500
two factors that affect states of matter
What is temperature and pressure?
500
Change in shape, broken pieces, and change in state are...
What is physical changes?
500
the properties of an element
What is atomic mass/weight, symbol/name, atomic number?
500
matter cannot be created or destroyed
What is the law of conservation of matter?
500
The reaction rate is by which temperature or concentration
What is temperature?