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Chemical Principles The Quest for Insight 7th Edition By Peter Atkins; Loretta Jones; Leroy Laverman $17.99   Add to cart

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Chemical Principles The Quest for Insight 7th Edition By Peter Atkins; Loretta Jones; Leroy Laverman

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Chemical Principles The Quest for Insight 7th Edition By Peter Atkins; Loretta Jones; Leroy Laverman

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  • September 14, 2024
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  • 2024/2025
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Test Bank For Chemical Principles The Quest for Insight
7th Edition By Peter Atkins; Loretta Jones; Leroy
Laverman

Chemistry - ANSWER: the study of interactions between atoms and molecules

Atom - ANSWER: Smallest unit of matter that enters into chemical reaction

Molecules - ANSWER: What atoms form when they interact with

Atoms are composed of: - ANSWER: protons, neutrons, electrons

Electrons - ANSWER: Negatively charged particles no mass

Protons - ANSWER: Positively charged particles and a mass of 1 unit

Neutrons - ANSWER: Uncharged particles and a mass of 1 unit

Atoms are usually electrically neutral - ANSWER: Number of electrons = number of
protons

What is in the nucleus of an atom? - ANSWER: protons and neutrons

What moves around the nucleus of an atom? - ANSWER: electrons

Elements - ANSWER: substances composed of only one type of atom

atomic mass - ANSWER: sum of masses of protons and neutrons

Isotopes - ANSWER: atoms with different number of neutrons

Ions - ANSWER: Charged atoms after losing or gaining one electron

Cation - ANSWER: Gives away its electron and becomes positive

Anion - ANSWER: Takes away the electron and becomes a negative ion

chemical bonding electrons - ANSWER: Only the electrons of atoms interact, so they
determine an atoms chemical behavior

valence electrons - ANSWER: Electrons on the outermost energy level of an atom

covalent bond - ANSWER: Form when two atoms share one or more electrons (water
molecule)

, nonpolar covalent bond - ANSWER: Electrons are equally shared by atoms

polar covalent bond - ANSWER: Electrons spend more time with one atom

Ionic bonds - ANSWER: When electrons leave an atom to move to another , leaving
the molecule with a charge.

Hydrogen bonds - ANSWER: Form when a hydrogen atom that is in a polar covalent
bond is attracted to another atom
Weaker than covalent bonds but essential for life since these help stabilize large 3 D
structures like DNA pairs and water

stability - ANSWER: full/complete outer energy level of valence electrons
Elements tend to bond in a way that allows them to achieve a full outer electron
shell like the stable noble gases

Hydrophilic - ANSWER: Attracted to water

Hydrophobic - ANSWER: not attracted to water

Acids - ANSWER: Chemicals that release hydrogen atoms when dissolved in water H+

Bases (alkaline) - ANSWER: Compounds that release hydroxyl ions when dissolved in
water OH-

pH scale - ANSWER: Concentration of H+ in a solution is expressed

Buffers - ANSWER: prevent drastic changes in internal pH

lower pH - ANSWER: more acidic less than 7

higher pH - ANSWER: more basic (alkaline) greater than 7

Neutral pH - ANSWER: pH of 7

Log based (ph) - ANSWER: Difference between the numbers

4 biomolecules - ANSWER: carbohydrates, lipids, proteins, nucleic acids

subunits - ANSWER: When Digestion breaks down biomolecules

Monomers - ANSWER: Basic building blocks of polymers (macromolecules)

Polymers - ANSWER: Constructed of simple units (monomers) stacked together

dehydration synthesis - ANSWER: Will join monomers to make a polymer

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