Question 1
Chemistry definition
ANSWER
The science that seeks to understand what matter does by studying what atoms and
molecules do
Question 2
virtually everything around you is composed of _________
ANSWER
chemicals
Question 3
atoms are bound together to form several different types of ______________
ANSWER
molecules
Question 4
observations
ANSWER
involve measuring or observing some aspect of nature
1
,Question 5
hypotheses
ANSWER
tentative interpretations of the observations
Question 6
laws
ANSWER
summarize the results of a large number of observations
Question 7
theories
ANSWER
are models that explain and give the underlying causes for observations and laws
Question 8
scientific method: experimentation
ANSWER
laws, hypotheses, and theories must be tested and validated by experiments
2
,Question 9
scientific method
ANSWER
a way of learning that emphasizes observation and experimentation to produce knowledge
Question 10
Law of Conservation of Mass
ANSWER
in a chemical reaction, matter is neither created nor destroyed
Question 11
Who created the law of conservation of mass?
ANSWER
Lavoisier
Question 12
scientific theory
ANSWER
A well-tested explanation for a wide range of observations or experimental results.
Question 13
Atomic Theory
3
, ANSWER
a theory that states that all matter is composed of tiny particles called atoms.
Question 14
Who created the atomic theory?
ANSWER
John Dalton
Question 15
uncertainty is indicated by the last __________ ___________
ANSWER
reported digit
Question 16
significant numbers
ANSWER
any number that is not a 0, sandwiched 0s, trailing 0s when there is a decimal place
Question 17
not significant numbers
ANSWER
leading 0s and trailing 0s at the end of a number without a decimal place
4
Chemistry definition
ANSWER
The science that seeks to understand what matter does by studying what atoms and
molecules do
Question 2
virtually everything around you is composed of _________
ANSWER
chemicals
Question 3
atoms are bound together to form several different types of ______________
ANSWER
molecules
Question 4
observations
ANSWER
involve measuring or observing some aspect of nature
1
,Question 5
hypotheses
ANSWER
tentative interpretations of the observations
Question 6
laws
ANSWER
summarize the results of a large number of observations
Question 7
theories
ANSWER
are models that explain and give the underlying causes for observations and laws
Question 8
scientific method: experimentation
ANSWER
laws, hypotheses, and theories must be tested and validated by experiments
2
,Question 9
scientific method
ANSWER
a way of learning that emphasizes observation and experimentation to produce knowledge
Question 10
Law of Conservation of Mass
ANSWER
in a chemical reaction, matter is neither created nor destroyed
Question 11
Who created the law of conservation of mass?
ANSWER
Lavoisier
Question 12
scientific theory
ANSWER
A well-tested explanation for a wide range of observations or experimental results.
Question 13
Atomic Theory
3
, ANSWER
a theory that states that all matter is composed of tiny particles called atoms.
Question 14
Who created the atomic theory?
ANSWER
John Dalton
Question 15
uncertainty is indicated by the last __________ ___________
ANSWER
reported digit
Question 16
significant numbers
ANSWER
any number that is not a 0, sandwiched 0s, trailing 0s when there is a decimal place
Question 17
not significant numbers
ANSWER
leading 0s and trailing 0s at the end of a number without a decimal place
4
