CHEM B11 Exam 1 with Verified
Detailed Answers
Isotopes -
correct answer ✅atoms of the same element that have different
mass number
same # of protons, diff # of neutrons
Chemistry -
correct answer ✅study of composition, structure, properties, and
matter
Chemical -
correct answer ✅same composition and properties wherever
found
Scientific Method -
correct answer ✅observation, hypothesis, experiment, conclusion
Pure Substance -
correct answer ✅a type of matter with a fixed composition
elements/compound
Element -
correct answer ✅A pure substance made of only one kind of atom
, CHEM B11 Exam 1 with Verified
Detailed Answers
Compound -
correct answer ✅composed of two or more elements, combined
in same proportion
Matter -
correct answer ✅anything that takes up space and has mass
pure sub/mixture
solid/liquid/gas
Mixture -
correct answer ✅A combination of two or more substances that
are physically combined, not chemically combined
heterogeneous/homogeneous
Solid -
correct answer ✅definite shape and volume
forces hold particles together in fixed position
Liquid -
correct answer ✅definite volume, no definite shape
Detailed Answers
Isotopes -
correct answer ✅atoms of the same element that have different
mass number
same # of protons, diff # of neutrons
Chemistry -
correct answer ✅study of composition, structure, properties, and
matter
Chemical -
correct answer ✅same composition and properties wherever
found
Scientific Method -
correct answer ✅observation, hypothesis, experiment, conclusion
Pure Substance -
correct answer ✅a type of matter with a fixed composition
elements/compound
Element -
correct answer ✅A pure substance made of only one kind of atom
, CHEM B11 Exam 1 with Verified
Detailed Answers
Compound -
correct answer ✅composed of two or more elements, combined
in same proportion
Matter -
correct answer ✅anything that takes up space and has mass
pure sub/mixture
solid/liquid/gas
Mixture -
correct answer ✅A combination of two or more substances that
are physically combined, not chemically combined
heterogeneous/homogeneous
Solid -
correct answer ✅definite shape and volume
forces hold particles together in fixed position
Liquid -
correct answer ✅definite volume, no definite shape
