Health Assessment/ Focused Exam 2024/2025 with all
correct answers
List and define the life supporting properties of water. - CORRECT ANSWER Cohesion,
adhesion, and surface tension provide water to plants and organisms. Hydrogen bonds
keep temp maintained, ice hydrogen bonds are stable so it's less dense than water's
unstable bonds that break and reform, water is also a solvent for many substances, and
finally, water's interaction with pH causes life's chemistry to be delicate.
Compound - CORRECT ANSWER substance formed by the chemical combination of
two or more elements in ratio
Isotopes - CORRECT ANSWER Atoms of the same element that have different
numbers of neutrons
pH Scale - CORRECT ANSWER measurement system used to indicate the
concentration of hydrogen ions (H+) in solution; ranges from 0 to 14
Acidic and Basic Solutions - CORRECT ANSWER In the formation of acid, there are
more hydrogen ions than hydroxide ions, but in the formation of a base, there are more
hydroxide ions than hydrogen.
Ionic Bond - CORRECT ANSWER the attraction between oppositely charged ions
Hydrogen Bond - CORRECT ANSWER weak attraction between a hydrogen atom and
another atom
Covalent Bond - CORRECT ANSWER A chemical bond formed when two atoms share
electrons with each other. There are nonpolar covalent bonds and polar covalent bonds.