D425 Chemistry Study Guide with 100% Correct
Solutions
homogeneous mixture - ANSWER a mixture in which the composition is uniform
throughout
heterogeneous mixture - ANSWER A mixture that is not uniform in composition;
components are not evenly distributed throughout the mixture
extensive property - ANSWER a property that depends on the amount of matter in a
sample
intensive property - ANSWER a property that depends on the type of matter in a sample
atomic number - ANSWER the number of protons in the nucleus of an atom
Isotope - ANSWER Atoms of the same element that have different numbers of neutrons
ionic bond - ANSWER bond between a metal and a nonmetal
covalent bond - ANSWER a bond formed when atoms share one or more pairs of
electrons (nonmetals)
1 electron group - ANSWER linear, 2 atoms
2 electron groups - ANSWER linear, 180 degrees
Solutions
homogeneous mixture - ANSWER a mixture in which the composition is uniform
throughout
heterogeneous mixture - ANSWER A mixture that is not uniform in composition;
components are not evenly distributed throughout the mixture
extensive property - ANSWER a property that depends on the amount of matter in a
sample
intensive property - ANSWER a property that depends on the type of matter in a sample
atomic number - ANSWER the number of protons in the nucleus of an atom
Isotope - ANSWER Atoms of the same element that have different numbers of neutrons
ionic bond - ANSWER bond between a metal and a nonmetal
covalent bond - ANSWER a bond formed when atoms share one or more pairs of
electrons (nonmetals)
1 electron group - ANSWER linear, 2 atoms
2 electron groups - ANSWER linear, 180 degrees
