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Bio 101 Unit 1 Exam Questions And Answers With Verified Solutions Latest Updated 2024
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Bio 101 Unit 1 Exam Questions And Answers With Verified Solutions Latest Updated 2024
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Bio 101 Unit 1 Exam Questions AndAnswers With Verified Solutions Latest
Updated 2024
element - ANSWER✔✔ A substance that cannot be broken down into other
substances by ordinary chemical procedures
protons in an atom - ANSWER✔✔ Changing the number of _______ would
change an atom into an atom of a different element
covalent bond - ANSWER✔✔ What type of bond is joining the two hydrogen
atoms?
molecule - ANSWER✔✔ A _____ refers to two or more atoms held together by
covalent bonds
four - ANSWER✔✔ There are _____ in the outermost electron shell
double covalent - ANSWER✔✔ A _____ bond joins these two oxygen atoms
hydrogen - ANSWER✔✔ Number 1 is indicating a _____ bond
H bond - ANSWER✔✔ Name given to the bond between water molecules
are different ions - ANSWER✔✔ Atoms with the same number of protons but with
different electrical charges _____
, an attraction between ions of opposite charge - ANSWER✔✔ An ionic bond
involves _____.
high specific heat - ANSWER✔✔ Because organisms are made primarily of water,
they resist rapid temperature changes. This useful quality is based on water's
_____.
are attracted to each other by partial negative and positive charges on the oxygen
and hydrogen atoms, respectively - ANSWER✔✔ Many of water's emergent
properties, such as its cohesion, its high specific heat, and its high heat of
vaporization, result from the fact that water molecules _____.
a water molecule gained an hydrogen ion from another water molecule -
ANSWER✔✔ How did this molecule form?
dissociation - ANSWER✔✔ The transfer of a hydrogen atom from one water
molecule to another is referred to as
H₂O + H₂O <==> H₃O⁺ + OH⁻ - ANSWER✔✔ Dissociation of water equation
1 in 500 million - ANSWER✔✔ About _____ molecules in a glass of water are
dissociated
proton, neutron - ANSWER✔✔ mass of 1 amu
electron - ANSWER✔✔ mass of 1/2000 amu
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