FCCS Chemistry Final – Exam Questions And
Answers Latest 2025
During a chemical reaction -
correct answer ✅atoms are rearranged
An equation is balanced by -
correct answer ✅adding coefficients
An atom's ability to undergo chemical reactions is determined by its
-
correct answer ✅outermost electrons
List the seven diatomic elements -
correct answer ✅H2, N2, O2, F2, Cl2, Br2, I2
Note: Know our Lewis Dot structures -
correct answer ✅Note: include the total number of valence
electrons for each compound
List the four general types of chemical reactions -
correct answer ✅Combination, Decomposition, Single
Replacement, and Double Replacement
, FCCS Chemistry Final – Exam Questions And
Answers Latest 2025
The compounds of a chemical reaction are called ? -
correct answer ✅Reactants and products
Note: remember how to balance equations -
correct answer ✅you may have to indicate the type of reaction
taking place
Note: remember how decomposition reactions work -
correct answer ✅write the chemical formula for each compound
and correctly decompose it
The molar mass of 1 mole of lithium hydroxide (LiOH) is ? -
correct answer ✅24g
What is the number of atoms in 24g of calcium (Ca) ? -
correct answer ✅3.622 x 10^23
A salt shaker is filled with 17.0 grams of sodium chloride. How
many moles does it contain? -
correct answer ✅0.291 Mol of NaCl
Answers Latest 2025
During a chemical reaction -
correct answer ✅atoms are rearranged
An equation is balanced by -
correct answer ✅adding coefficients
An atom's ability to undergo chemical reactions is determined by its
-
correct answer ✅outermost electrons
List the seven diatomic elements -
correct answer ✅H2, N2, O2, F2, Cl2, Br2, I2
Note: Know our Lewis Dot structures -
correct answer ✅Note: include the total number of valence
electrons for each compound
List the four general types of chemical reactions -
correct answer ✅Combination, Decomposition, Single
Replacement, and Double Replacement
, FCCS Chemistry Final – Exam Questions And
Answers Latest 2025
The compounds of a chemical reaction are called ? -
correct answer ✅Reactants and products
Note: remember how to balance equations -
correct answer ✅you may have to indicate the type of reaction
taking place
Note: remember how decomposition reactions work -
correct answer ✅write the chemical formula for each compound
and correctly decompose it
The molar mass of 1 mole of lithium hydroxide (LiOH) is ? -
correct answer ✅24g
What is the number of atoms in 24g of calcium (Ca) ? -
correct answer ✅3.622 x 10^23
A salt shaker is filled with 17.0 grams of sodium chloride. How
many moles does it contain? -
correct answer ✅0.291 Mol of NaCl