Show:
Phases of matter
Periodic table
Scientific Method
Pure substances/mixtures
Metals, nonmetals, metalloids
100
solid
What phase of matter has a definite volume and shape?
100
Russian
What was the nationality of the chemist who first developed the periodic table?
100
State the problem
What is the first step in the scientific method?
100
carbon
What is the element that forms the "backbone" of all carbohydrates?
100
shiny
What is the meaning of the term "luster", which is used to describe metals?
200
liquid
What is the phase of matter between a solid and a gas?
200
Metals
Do metals, nonmetals, or metalloids dominate the periodic table?
200
to test a hypothesis
What is the purpose of an experiment in the scientific method?
200
homogeneous
What is the type of mixture where material is uniform throughout?
200
ductile
What is the term used to describe the ability of a metal to be drawn into a wire?
300
What is the process called when a liquid converts into a solid?
What is freezing?
300
Alkali metals
What is the name of Group I of the periodic table?
300
hypothesis
What is the "educated guess" in the scientific method?
300
compound
What is the type of matter table sugar would be classified as: element, compound, or mixture?
300
metalloid
What is the classification of silicon; metal, nonmetal, or metalloid?
400
plasma
What is the state of matter most dominant in the universe?
400
The halogens
What is the common name of the group of elements containing fluorine, chlorine, and bromine?
400
report the results
What is the last step in the scientific method?
400
hydrogen
What is the lightest of all elements?
400
malleability
What is the term used to describe the ability of a metal to be hammered into a sheet?
500
Absolute zero
What is the name of the temperature at which all molecular motion ceases?
500
radioactive metals
What is a common characteristic of all the rare earth elements?
500
analyze results
What is the step of the scientific method that occurs after experimentation has occurred?
500
different
What is the meaning of the prefix "hetero", used in the term "heterogeneous mixture"?
500
Group 17
What is the group number of the periodic table that contains all nonmetals in both solid, liquid, and gaseous states?