AP Biology -- Unit 1 comprehensive
Questions and Answers with Verified
Solutions
Question 1:
matter consists of elements in ________ and in combinations called
_________
Answer:
pure form, compounds
Question 2:
matter
Answer:
anything that takes up space and has mass
Question 3:
element
,Answer:
a substance that can't be broken down into other sub stances by
chemical reactions
Question 4:
compound
Answer:
substance consisting of two or more elements combined in a fixed ratio
Question 5:
which elements make up most living matter?
Answer:
Carbon, Hydrogen, Oxygen, Nitrogen (CHON)
,Question 6:
CHON makes up ___% of living matter
Answer:
96
Question 7:
about ____ out of _____ natural ements are known to be essential to life
Answer:
25 out of 92
Question 8:
Answer:
the structure of its atoms
Question 9:
atoms
Answer:
smallest units of an element that retain the property of the element
Question 10:
what are the subatomic particles that make up an atom?
, Answer:
proton, neutron, electron
Question 11:
which subatomic particle determines the chemical properties and
reactivity of an element?
Answer:
electrons
Question 12:
Questions and Answers with Verified
Solutions
Question 1:
matter consists of elements in ________ and in combinations called
_________
Answer:
pure form, compounds
Question 2:
matter
Answer:
anything that takes up space and has mass
Question 3:
element
,Answer:
a substance that can't be broken down into other sub stances by
chemical reactions
Question 4:
compound
Answer:
substance consisting of two or more elements combined in a fixed ratio
Question 5:
which elements make up most living matter?
Answer:
Carbon, Hydrogen, Oxygen, Nitrogen (CHON)
,Question 6:
CHON makes up ___% of living matter
Answer:
96
Question 7:
about ____ out of _____ natural ements are known to be essential to life
Answer:
25 out of 92
Question 8:
Answer:
the structure of its atoms
Question 9:
atoms
Answer:
smallest units of an element that retain the property of the element
Question 10:
what are the subatomic particles that make up an atom?
, Answer:
proton, neutron, electron
Question 11:
which subatomic particle determines the chemical properties and
reactivity of an element?
Answer:
electrons
Question 12:
