11th grade Chemistry Midterm Exam
Questions & Answers (Grade A+)
Alkali metals -
correct answer ✅one of the elements of group one of the periodic
table (lithium, potassium, rubidium, cesium, and francium)
Alkaline earth metals -
correct answer ✅one of the elements of group two of the periodic
table (beryllium, magnesium, calcium, strontium, barium, and
radium)
Atom -
correct answer ✅the smallest unit of matter that makes up an
element
Catalyst -
correct answer ✅a substance that changes the rate of a chemical
reaction without being consumed or changes significantly
Chemical Formula -
correct answer ✅a combination of chemical symbols and numbers
to represent a substance
, 11th grade Chemistry Midterm Exam
Questions & Answers (Grade A+)
Chemical Property -
correct answer ✅a property that allows something to change
identity
Rust, burning, oxidation, molding
Compound -
correct answer ✅a substance made up of one or more different
elements joined by chemical bonds; compounds can be pure
Covalent bond -
correct answer ✅a bond formed when atoms share one or more
pairs of electrons
Density -
correct answer ✅the ratio of the mass of a substance; often
expressed as grams per cubic centimeter for solids and liquids, and
as grams per liter for gasses; how close the molecules are together.
Formula D=m/V
Ductile -
correct answer ✅the ability of a substance to be hammered thin
or drawn into a wire
Questions & Answers (Grade A+)
Alkali metals -
correct answer ✅one of the elements of group one of the periodic
table (lithium, potassium, rubidium, cesium, and francium)
Alkaline earth metals -
correct answer ✅one of the elements of group two of the periodic
table (beryllium, magnesium, calcium, strontium, barium, and
radium)
Atom -
correct answer ✅the smallest unit of matter that makes up an
element
Catalyst -
correct answer ✅a substance that changes the rate of a chemical
reaction without being consumed or changes significantly
Chemical Formula -
correct answer ✅a combination of chemical symbols and numbers
to represent a substance
, 11th grade Chemistry Midterm Exam
Questions & Answers (Grade A+)
Chemical Property -
correct answer ✅a property that allows something to change
identity
Rust, burning, oxidation, molding
Compound -
correct answer ✅a substance made up of one or more different
elements joined by chemical bonds; compounds can be pure
Covalent bond -
correct answer ✅a bond formed when atoms share one or more
pairs of electrons
Density -
correct answer ✅the ratio of the mass of a substance; often
expressed as grams per cubic centimeter for solids and liquids, and
as grams per liter for gasses; how close the molecules are together.
Formula D=m/V
Ductile -
correct answer ✅the ability of a substance to be hammered thin
or drawn into a wire
