Bio 1 Vocab 2.1 Question Preview (ID: 20659)


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Basic unit of matter
a) Atom
b) Element
c) Electrons
d) Molecule

A substance made up of atoms of two or more different elements joined by chemical bonds.
a) Element
b) nucleus
c) Compound
d) Isotope

A chemical Bond that involves sharing a pair of electrons between atoms in a molecule.
a) Ionic Bond
b) Covalent Bond
c) James Bond
d) Isotope Bond

A subatomic particle that has a negative charge.
a) Proton
b) Cruton
c) Neutron
d) Electron

A pure substance that consists entirely of one type of atom so they all have the same number of protons.
a) Ion
b) Nucleus
c) Element
d) Molecule

A chemical bond resulting from the attraction between oppositely charged ions.
a) Isotope Bond
b) Ionic Bond
c) Covalent Bond
d) Polar Bond

An atom with the same number of protons and a different number of neutrons from other atoms of the same element,
a) Isotopes
b) Ions
c) Cations
d) Anions

A group of atoms held together by covalent bonds.
a) Ionic Compound
b) Ion
c) Nucleus
d) Molecule

A region that is located at the center of an atom and contains most of the atom's mass.
a) Electron Cloud
b) Nucleus
c) Isotope
d) Proton

A slight attraction that develops between the oppositely charged regions of nearby molecules (caused by polar bonds)
a) Van Der Waals Forces
b) Darth Vader Forces
c) Van Antwerp Forces
d) Van Der Whale Forces

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