Periodic table
What is the symbol for potassium
K
What is it called when a solid becomes a liquid
melting
How dense is water
1.0
What are the three phases of matter
Solid,liquid,gas
What does PEN stand for
Proton,neutron,Electron
what element has x in their symbol
xenon
What is matter made up of
Small particles
If something is 1.4 grams would it sink or float
sink
How is steam different from water vapour
you can only see steam
Do atoms touch.
yes
what alkali metal is most likely to explode
Caesium CS
KMT relates to the
States of matter
Anything that has mass and occupies space is called
Matter
What is absolute zero ( temperature or understanding)
-273 C or the concept of molecules having zero movement
How do atoms form
They are formed from subatomic particles
what is the only element on the periodic table that is a metal and a non metal
Hydrogen
What is it called when a gas turns to a liquid
Condensation
What letter is at the top of the density, mass,and volume triangle
M
Can scientist cool matter to absolute zero
No there is always some energy transfer
How do we know about atoms if we cant see them
The behaviour of matter and lots of evidence
what is a compound
A molecule held together by two or more elements (example: water is made by hydrogen and oxygen)
What is it called when a solid turns to a gas
Deposition
What is the boiling point
100c or 212 f
What happens to a molecule when it changes from a liquid to a solid
They lose energy,slow down,and move closer together
What are the main parts of an atom
The nuclease which contains protons neutrons and electrons