Chemistry 1010 Final Exam 2025|COMPLETE EXAM
TEST (questions and verified answers) FREQUENTLY
MOST TESTED QUESTIONS |already graded A+|100%
passed!!
Sig Figs - (ANSWER)1. Any non-zero digit
2. Any zero between two sig fig
3. Zeroes after sig fig in a decimal
4. Zeroes after coefficient of a number in scientific notation
5. Zeroes between a decimal point and a sig fig in a number less than one are not
significant
6. Trailing zeroes are not significant
Density - (ANSWER)Mass/Volume
Less dense floats
Specific Gravity - (ANSWER)Density of Substance/Density of Water
Density of h2o = 1.00g/mL
No unit
Elements - (ANSWER)Consist of one type of atom; cannot be broken down by
ordinary chemical means.
, Compounds - (ANSWER)Two or more elements chemically combined in defined
ratios.
Mixtures - (ANSWER)Two or more substances physically combined; composition
varies.
States of Matter - (ANSWER)Solids: definite shape and volume
Liquids: definite volume
Gases: no definite shape or volume
Properties of Matter - (ANSWER)Physical: color, size, shape
Chemical: flammability, reactivity
Changes in Matter - (ANSWER)Physical: change of state
Chemical: composition changes
John Dalton Theory - (ANSWER)1) Matter is made up of small particles called
atoms.
2) All atoms of the same element are identical.
3) Atoms of 2 or more elements combine to make compounds.
4) Chemical reaction involves chemical rearrangement.
Subatomic Particles - (ANSWER)1. Protons p+
TEST (questions and verified answers) FREQUENTLY
MOST TESTED QUESTIONS |already graded A+|100%
passed!!
Sig Figs - (ANSWER)1. Any non-zero digit
2. Any zero between two sig fig
3. Zeroes after sig fig in a decimal
4. Zeroes after coefficient of a number in scientific notation
5. Zeroes between a decimal point and a sig fig in a number less than one are not
significant
6. Trailing zeroes are not significant
Density - (ANSWER)Mass/Volume
Less dense floats
Specific Gravity - (ANSWER)Density of Substance/Density of Water
Density of h2o = 1.00g/mL
No unit
Elements - (ANSWER)Consist of one type of atom; cannot be broken down by
ordinary chemical means.
, Compounds - (ANSWER)Two or more elements chemically combined in defined
ratios.
Mixtures - (ANSWER)Two or more substances physically combined; composition
varies.
States of Matter - (ANSWER)Solids: definite shape and volume
Liquids: definite volume
Gases: no definite shape or volume
Properties of Matter - (ANSWER)Physical: color, size, shape
Chemical: flammability, reactivity
Changes in Matter - (ANSWER)Physical: change of state
Chemical: composition changes
John Dalton Theory - (ANSWER)1) Matter is made up of small particles called
atoms.
2) All atoms of the same element are identical.
3) Atoms of 2 or more elements combine to make compounds.
4) Chemical reaction involves chemical rearrangement.
Subatomic Particles - (ANSWER)1. Protons p+
