A stalk of celery is placed in a solution of blue colored dye. After one hour, the leaves have blue fluid in their veins. Which property of water is being demonstrated? Adhesion and cohesion
The representation of H - O - H is known as: a structural formula
A substance that is composed of only one...
Honors Biology Exam 2 Chapter 2
Review Questions and Correct Answers
A stalk of celery is placed in a solution of blue colored dye. After one hour, the leaves
have blue fluid in their veins. Which property of water is being demonstrated?
✅Adhesion and cohesion
The representation of H - O - H is known as: ✅a structural formula
A substance that is composed of only one type of atom is called a(n) ✅element
Water Heats up and ____ very quickly ✅cools
Which of the following states of matter contain(s) particles that are tightly linked together
in a definite shape? ✅solid
Enzymes ✅are biological catalysts
Atoms are composed of ✅protons with a positive charge.
neutrons with no charge.
electons with a negative charge.
An atom that has gained or lost electrons is called ✅ion
all matter in the universe is composed of ✅atoms
An atom becomes a cation if ✅it loses one or more electrons
Which of the following has a pH closest to that of human blood? ✅sea water
The covalent bond that involves 2 electrons ✅single
The concentration of a solution is ✅the amount of a solute that is dissolved in a fixed
amount of a solution.
sharing of elections between atoms of two or more elements ✅results in the formation
of a compound
in a chemical reactions, the product is: ✅generally written on the right side of the
equation.
the substance that is generated by the reaction/
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