Modelling Our Orderly World
F=ma is an example of which category of scientific models?
Law
The law of conservation of matter states that...
Matter can neither be created nor destroyed, the amount of matter cannot change, and matter can change forms
The modern periodic table arranges elements according to...
The element's atomic numbers
What is the correct formula for aluminum oxide?
Al2O3
How many carbon atoms are in the chain of ethane?
Two
Accuracy compares a measurement to...
The expected value
What state(s) of matter experience particle motion?
Gas, solid, and liquid
What is the symbol for a sodium atom that has lost an electron?
Na+
The Octet rule states that atoms are generally most stable when..
They have eight electrons in their valence energy level
Which group of substituted hydrocarbons has a hydroxide ion in place of a hydrogen atom?
Alcohol
The decimal place to which a scientist makes a measurement can be referred to as...
Precision
Give a change of state that involves a loss of energy?
Condensation
Potassium-39 and Potassium-41 always have the same number of...
Protons
A chemical bond between two nonmetals with similar electronegativities would be a(n)...
Polar bond
Glucose is simple form of...
Carbohydrate
Physical science is the study of...
Nonliving matter and energy
Is flammability a chemical or physical property?
Chemical
Uranium, found below the main body of the periodic table, is best classified as a(n)...
Inner transition metal
What is the nucleic acid responsible for directing the reproduction and growth of all cells?
DNA
Give three evidences for order in nature.
The seasons
Daily, weekly, and monthly cycles
J. J. Thompson discovered the existence of the...
Electron
Between these elements, which has the largest atomic radius: Sodium, Neon, Potassium, Argon
Potassium
What is the name of Be(NO3)2?
Beryllium Nitrate
C=O