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Chapters 1-4 Human Biology Exam(Chapters 1-4 of Human Biology: Concepts and Current Issues by Michael D. Johnson)fully solved rated A+£14.18
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Electrons - correct answer ✔✔Smaller (-) charged particles that orbit the nucleus;
No precise location electron cloud
Elements - correct answer ✔✔Pure form of matter;
Can't be broken down
Atomic Number - correct answer ✔✔The number of protons in the nucleus of an atom
Covalent Bond - correct answer ✔✔Sharing of electrons
Strongest bond
Polar - Different charge on different parts of the molecule
Non Polar - Same charge on both ends
Ionic Bond - correct answer ✔✔a compound in which oppositely charged ions attract each other (atoms
gain or lose electrons to form ions) NaCl
Na gives electron to Cl --> Na(+)Cl(-)
Hydrogen - correct answer ✔✔H⁺
Atomic Mass - correct answer ✔✔Total mass of the protons and neutrons in an atom, measured in
atomic mass units
Dehydration Synthesis - correct answer ✔✔Process in which smaller molecules are joined together by
covalent bonds;
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