matters and the periodic table
Atomic Structure and nuclear chemistry
Bonding and chemical reaction
Gases and thermochemestry
Solutions
100
burning wood is a chemical or a physical change?
Chemical
100
How many valence electrons does oxygen have?
What is 6
100
_Fe + _Cl2 ->_ FeCl3 Balance the equation.
What is 2 Fe + 3 Cl2 -> 2 FeCl3
100
What is the energy that is stored in chemical bonds?
What is Chemical energy
100
What is dissolving medium?
What is Solvent
200
Noble gases are what group?
Group 8
200
What kind of charge does a proton have?
What is Positive charge
200
The part of the atom that is involved in bonding is what?
What is Valence electrons.
200
What is a reaction or process that absorbs heat from its surrounding?
What is Endothermic
200
What are two liquids that dissolve or mix into each other?
What is Miscible
300
liquids are hard to compress true or false?
True.
300
What are 3 subatomic particles?
What is proton,neutron, and electrons
300
Most of these compounds are liquids or gases at room temperature what is it?
What is Covalent compounds
300
What is the capacity to do work or transfer heat?
What is Energy
300
Do smaller or bigger particles dissolve faster?
What is Smaller
400
The ionization energy of an atom or molecule describes what?
What is The amount of energy required to remove an electron.
400
Where is the location of the proton?
What is Nucleus
400
What is listed first in a chemical equation?
What is Reactants
400
What law states that equal volume of gases at the same temperature and pressure contain equal numbers of particles?
What is Avogadro's law
400
What is it called when a mixture has more dissolved solute than is predicted by its solubility at a given temperature?
What is Supersaturated solution
500
What is it called when a solid changes to a gas?
What is sublimation
500
The 3 main types of radiation are what?
What is Alpha, Beta, and Gamma
500
What law states that matter can not be created or destroyed?
What is law of conservation of mass.
500
The energy that must be overcome in order for a chemical reaction to occur, on a potential energy diagram, the energy hump on the graph is what?
What is Activation
500
What is the formula for entropy?
What is S=S(products) - S(reactants)
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