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ENVS 101: Exam 2 Review Questions with correct answers $14.99   Add to cart

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ENVS 101: Exam 2 Review Questions with correct answers

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ENVS 101: Exam 2 Review Questions with correct answers

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  • August 6, 2024
  • 16
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • Environmental
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ENVS 101: Exam 2 Review Questions with correct
answers
Atom Correct Answer-The basic unit of a chemical element.


Proton Correct Answer-A subatomic particle that has a positive charge
and that is found in the nucleus of an atom


Neutron Correct Answer-A subatomic particle that has no charge and
that is found in the nucleus of an atom


Electron Correct Answer-A subatomic particle that has a negative charge


Isotope Correct Answer-An atom with the same number of protons and a
different number of neutrons from other atoms of the same element.


Molecule Correct Answer-A group of atoms bonded together


Compound Correct Answer-A substance made up of atoms of two or
more different elements joined by chemical bonds


Colvalent Bond Correct Answer-Chemical bond formed by electron
transfer between atoms, metal to metal or non-metal to non-metal.


Ionic Bond Correct Answer-Formed when one or more electrons are
transferred from one atom to another

,Ion Correct Answer-An atom or group of atoms that has a positive or
negative charge.


Hydrogen Bond Correct Answer-A type of weak chemical bond formed
when the slightly positive hydrogen atom of a polar covalent bond in
one molecule is attracted to the slightly negative atom of a polar
covalent bond in another molecule.


Organic Molecules Correct Answer-Carbon-based molecules


Inorganic Molecules Correct Answer-Non-carbon based molecules


Hydrocarbons Correct Answer-Compounds composed of only carbon
and hydrogen


Macromolecules Correct Answer-A very large organic molecule
composed of many smaller molecules


Polymers Correct Answer-Large compound formed from combinations
of many monomers


Carbohydrates Correct Answer-Broken down to glucose to provide
energy.

, Simple sugars (monosaccharides) Correct Answer-Building blocks of
carbohydrates


Lipids Correct Answer-Energy-rich organic compounds, such as fats,
oils, and waxes, that are made of carbon, hydrogen, and oxygen.


Proteins Correct Answer-Chains of amino acids


Amino Acids Correct Answer-A simple organic compound containing
both a carboxyl (—COOH) and an amino (—NH2) group, monomer of
proteins


Nucleic Acids Correct Answer-Macromolecules containing hydrogen,
oxygen, nitrogen, carbon, and phosphorus


Nucleotides Correct Answer-Basic units of DNA molecule, composed of
a sugar, a phosphate, and one of 4 DNA bases


Energy Correct Answer-The ability to do work or cause change


Potential Energy Correct Answer-Stored energy that results from the
position or shape of an object


Kinetic Energy Correct Answer-The energy an object has due to its
motion

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