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Unit 6 Biobeyond Study Guide with complete correct answers
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Unit 6 Biobeyond Study Guide with complete correct answers
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Unit 6 Biobeyond Study GuideAnion - correct answer ✔✔a negative ion formed by gaining electrons
Atomic number - correct answer ✔✔the number of protons in an atom
Cation - correct answer ✔✔a positive ion formed by losing electrons
Chemical bond - correct answer ✔✔an interaction between two or more of the same or different
elements that results in the formation of molecules
Covalent bond - correct answer ✔✔a type of strong bond between two or more of the same or different
elements; forms when electrons are shared between elements
Electron - correct answer ✔✔a negatively charged particle that resides outside of the nucleus in the
electron orbital; lacks functional mass and has a charge of ?1
Electron transfer - correct answer ✔✔the movement of electrons from one element to another
Element - correct answer ✔✔one of 118 unique substances that cannot be broken down into smaller
substances and retain the characteristic of that substance; each element has a specified number of
protons and unique properties
Hydrogen bond - correct answer ✔✔a weak bond between partially positively charged hydrogen atoms
and partially negatively charged elements or molecules
Ion - correct answer ✔✔an atom or compound that does not contain equal numbers of protons and
electrons, and therefore has a net charge
Ionic bond - correct answer ✔✔a chemical bond that forms between ions of opposite charges
, Isotope - correct answer ✔✔one or more forms of an element that have different numbers of neutrons
Mass number - correct answer ✔✔the number of protons plus neutrons in an atom
Matter - correct answer ✔✔anything that has mass and occupies space
Neutron - correct answer ✔✔a particle with no charge that resides in the nucleus of an atom; has a mass
of 1
Nonpolar covalent bond - correct answer ✔✔a type of covalent bond that forms between atoms when
electrons are shared equally between atoms, resulting in no regions with partial charges as in polar
covalent bonds
Nucleus - correct answer ✔✔(chemistry) the dense center of an atom made up of protons and (except in
the case of a hydrogen atom) neutrons
Octet rule - correct answer ✔✔states that the outermost shell of an element with a low atomic number
can hold eight electrons
Periodic table of elements - correct answer ✔✔an organizational chart of elements, indicating the
atomic number and mass number of each element; also provides key information about the properties
of elements
Polar covalent bond - correct answer ✔✔a type of covalent bond in which electrons are pulled toward
one atom and away from another, resulting in slightly positive and slightly negative charged regions of
the molecule
Proton - correct answer ✔✔a positively charged particle that resides in the nucleus of an atom; has a
mass of 1 and a charge of 1
Radioactive isotope - correct answer ✔✔an isotope that spontaneously emits particles or energy to form
a more stable element
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