What is naming compounds, writing formulas, and balancing equation
100
Heat
What is the total amount of kinetic energy
100
Mass Defect
What is The difference between the mass of an atom and the sum of the masses of its protons, neutrons, and electrons
100
The equation for the percentage yield
What is Percentage yield = actual yield/theoretical yield * 100
100
Four observations that suggest that a chemical reaction has taken place
What is Evolution of energy as heat and light
Production of a gas Formation of a precipitation
Color change
200
What is the equation of speed
What is 3.00x10/8
200
Acid has a ______ taste while a Base has a Bitter taste and a _____ feeling
What is sour and slippery
200
Nuclear Fusion
What is low-mass nuclei combine to form a heavier, more stable nucleus
200
The electron Configuration for Mg is
What is 1s2 2s2 2p6 3s2
200
_____ was a school teacher who proposed an explanation for the law of_________
Who is Dalton and What is Conservation of mass
300
Plasma is
What is the fourth state of matter
300
The pH scale ranges from ...
What is 0-14
300
Nuclear waste
What is Waste that contains radioisotopes
300
AgNO3(aq) + NaCl(aq) ---> AgCl(s) +NaNO3 (aq)
What is Double displacement
300
Kinetic-molecular theory based on
What is the idea that particles of matter are always in motion
400
The four bands if lights are called..
What is Line-emission spectrum
400
Activation Energy
What is The minimum energy required to transform the reactants into an activated complex
400
What is Nuclear Fission
What is Nuclear fission is a very heavy nucleus splits into more stable nuclei of intermediate mass
400
The 3 types of bonds are
What is Ionic, Polar- covalent, Non - polar covalent
400
Accuracy is....
What is the closeness of measurements to the correct or accepted value of the quantity measured
500
Precision is...
What is the closeness of measurements to the correct set of measurements of the same quantity made in the same way
500
The collision theory
What is the theory that states that the number of new compounds formed in a chemical reaction is equal to the number of molecules that collide, multiplied by a factor that corrects for low-energy collisions.
500
What is Radioactive Decay ?
What is The spontaneous disintegration of a nucleus into a slightly lighter nucleus
500
The orbital shapes are
What is Sphere, dumb bell, double bell and undefined
500
Empirical Formula
What is the elements combined in a compound, with subscripts showing the smallest whole-number mole ratio of the different atoms in a compound.