Matter
Two characteristics of liquids
-They have a fixed volume
-They have no fixed shape
-Can barely be compressed
-Boiling point is lower than room temperature
The components of atoms and their locations
What is the electron, proton and neutron?
orbiting the nucleus, and in the center
The defintion of a compound
What is 2 or more elements chemically bonded?
The reason solid water floats
What is a crystal lattice that allows air to enter?
5 metres in millimeters
What is 5000 mm?
Two things can cause a change in the state of matter
What is Temperature and Pressure?
The group number of the periodic table tells us...
The period of the periodic table tells us...
What is the number of valence electrons?
What is the number of electron shells?
The purpose of compounds forming
What is aluminium foil?
Are electrons arranged in circles around the nucleus in reality?
No, they form "clouds" around the nucleus representing where they are most likely to exist.
An organic compounds' smell was found to have changed during an experiment. This is an example of what kind of change?
What is chemical change?
The location of almost all the mass of an atom
What is the nucleus?
The bond between ions, and the bond between non-metals
What is ionic bonding?
What is covalent bonding?
What is a chemical change and hydrogen gas?
What is 760 g in lbs. (1 kg = 2.205 lbs.)
What is 1.68 lbs. ?
The definition of matter, and what it consists of
What is anything that takes up space and makes up everything in the physical universe?
The name of positive ions and negative ions
What is the cation and anion?
The elements which do not bond at all
What are the noble gases?
A liquid less dense than water
Bonus: The reason why
What is ethanol (alcohol)?
Bonus ans.: Fewer/ weaker hydrogen bonding in ethanol
The type of reaction hydrogen in the sun undergoes
What is nuclear fusion?
How do you change from gas to liquid and then solid, and from solid to liquid and then gas.
Bonus: What is the term from going straight from solid to gas?
What is taking heat away from the substance, and adding heat to the substance?
Bonus ans.: Sublimation
The force that pulls the electrons to the protons
Bonus: The force that holds the protons and neutrons together
What is the magnetic/ attractive force?
Bonus ans.: What is the strong nuclear force?
The bond of water
What is H2O, a covalent bond?
The part of certain candies that would not dissolve
What is fat?
Definition of an isotope, and the isotope used in carbon dating
What is an atom of the same element with different numbers of neutrons?
What is 14C (carbon-14)