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Scientific Method
Chemistry
Chemistry cont
Physical or chemical change
Miscellaneous
100
Another word that could be used as hypothesis
What is prediction, educated guess?
100
Periodic table has about how many elements
What is greater than 100?
100
What is the Lewis dot structure for O, Li, Ne,
What is list answer on paper?
100
anything that has mass and takes up space
What is Matter?
100
combination of two or more elements or substances that have different chemical properties
What is compound?
200
Hypothesis must be
What is testable or experimented with?
200
Elements consists of what
What is only one kind of atom?
200
elements have 8 valence electrons
What is or are the noble gases?
200
volume of a lake is considered submicroscopic, microscopic, or macroscopic
What is macroscopic?
200
Give some examples of a mixture
What is air, salad, ocean water,
300
testable and reproducible, many experiments, well tested explanations.
What is a theory?
300
List the subatomic particles
What is proton, electron, and neutron?
300
bonds that an atom can form
What is usually the numbered of unpaired electrons?
300
define and give examples of solid, liquid, and gas
What is answers will vary?
300
Why can't a compound be separated by physical means?
What is the bonds that hold the atoms together?
400
observed in nature, without trying to explain
What is a law?
400
Periodic table in arranged in
What is order by atomic number?
400
losing an electron produces
What is ion that is positively charged?
400
mass divided by volume, and give example of
What is density?
400
Give example of homogenous mixture and heterogeneous mixture
What is water, salad?
500
steps in scientific method
What is problem , question, hypothesis, experiment, collect data, draw conclusion, research?
500
What happens when you remove or add a proton to an element
What is becomes a completely different element that falls before or after that element? Give example
500
explain the periodic table and how elements tend to lose or gain electrons
What is left hand side tend to lose and right hand side tend gain.
500
determine physical and chemical properties
What is answers will vary? oxidation, acid base, corrosion, flammability shape, texture, color, density , volume
500
Give an example of a solute and a solvent
What is kool aid and water?