Biochemistry (correct answers)
Matter correct answers Anything that has mass and/or takes up space (volume)
Element correct answers A substance that cannot be broken down into other
substances by chemical reactions
Molecule correct answers Any combination of atoms
Compound correct answers Two or more different elements combined in a fixed ratio
Atom correct answers Smallest unit of matter that retains the properties of an element
Atomic Number correct answers Number of protons
Mass Number correct answers Number of protons plus neutrons
Atomic Weight correct answers 1 mole of a sustance = atomic weight in grams
Isotope correct answers Atom with an abnormal number of neutrons
Proton correct answers Positively charged subatomic particle
Neutron correct answers Subatomic particle with no charge
Electron correct answers Negatively charged subatomic particle
Valence Electron correct answers Outermost electrons in an atom
Covalent Bond correct answers Sharing of electrons (Two non-metals)
Ionic Bond correct answers Electrostatic attraction of positive and negative ions (Metal
and Non-metal)
Valence shell correct answers An atom's outermost electron shell
Polar Covalent Bond correct answers Unequal sharing of electrons due to difference in
electronegativity
Cation correct answers Positively charged ion
Anion correct answers Negatively charged ion
Hydrogen bond correct answers Hydrogen atom covalently bonded to an
electronegative atoms is attracted to another electronegative atom
Matter correct answers Anything that has mass and/or takes up space (volume)
Element correct answers A substance that cannot be broken down into other
substances by chemical reactions
Molecule correct answers Any combination of atoms
Compound correct answers Two or more different elements combined in a fixed ratio
Atom correct answers Smallest unit of matter that retains the properties of an element
Atomic Number correct answers Number of protons
Mass Number correct answers Number of protons plus neutrons
Atomic Weight correct answers 1 mole of a sustance = atomic weight in grams
Isotope correct answers Atom with an abnormal number of neutrons
Proton correct answers Positively charged subatomic particle
Neutron correct answers Subatomic particle with no charge
Electron correct answers Negatively charged subatomic particle
Valence Electron correct answers Outermost electrons in an atom
Covalent Bond correct answers Sharing of electrons (Two non-metals)
Ionic Bond correct answers Electrostatic attraction of positive and negative ions (Metal
and Non-metal)
Valence shell correct answers An atom's outermost electron shell
Polar Covalent Bond correct answers Unequal sharing of electrons due to difference in
electronegativity
Cation correct answers Positively charged ion
Anion correct answers Negatively charged ion
Hydrogen bond correct answers Hydrogen atom covalently bonded to an
electronegative atoms is attracted to another electronegative atom
