Chemistry Final – FCCS 2024/2025 Exam
Questions Marking Scheme New Update
| A+ Rated
During a chemical reaction - 🧠ANSWER ✔✔atoms are rearranged
An equation is balanced by - 🧠ANSWER ✔✔adding coefficients
An atom's ability to undergo chemical reactions is determined by its -
🧠ANSWER ✔✔outermost electrons
List the seven diatomic elements - 🧠ANSWER ✔✔H2, N2, O2, F2, Cl2,
Br2, I2
Note: Know our Lewis Dot structures - 🧠ANSWER ✔✔Note: include the
total number of valence electrons for each compound
List the four general types of chemical reactions - 🧠ANSWER
✔✔Combination, Decomposition, Single Replacement, and Double
Replacement
COPYRIGHT©PROFFKERRYMARTIN 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE.
1
PRIVACY STATEMENT. ALL RIGHTS RESERVED
, The compounds of a chemical reaction are called ? - 🧠ANSWER
✔✔Reactants and products
Note: remember how to balance equations - 🧠ANSWER ✔✔you may have
to indicate the type of reaction taking place
Note: remember how decomposition reactions work - 🧠ANSWER ✔✔write
the chemical formula for each compound and correctly decompose it
The molar mass of 1 mole of lithium hydroxide (LiOH) is ? - 🧠ANSWER
✔✔24g
What is the number of atoms in 24g of calcium (Ca) ? - 🧠ANSWER
✔✔3.622 x 10^23
A salt shaker is filled with 17.0 grams of sodium chloride. How many moles
does it contain? - 🧠ANSWER ✔✔0.291 Mol of NaCl
Calculate the molar mass of Al2Si2O5(OH)4 - 🧠ANSWER ✔✔257.8g
Calculate the molar mass of C5H10 - 🧠ANSWER ✔✔70g
Describe what is molar volume? - 🧠ANSWER ✔✔the volume 1 mole of any
gas takes up
COPYRIGHT©PROFFKERRYMARTIN 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE.
2
PRIVACY STATEMENT. ALL RIGHTS RESERVED
Questions Marking Scheme New Update
| A+ Rated
During a chemical reaction - 🧠ANSWER ✔✔atoms are rearranged
An equation is balanced by - 🧠ANSWER ✔✔adding coefficients
An atom's ability to undergo chemical reactions is determined by its -
🧠ANSWER ✔✔outermost electrons
List the seven diatomic elements - 🧠ANSWER ✔✔H2, N2, O2, F2, Cl2,
Br2, I2
Note: Know our Lewis Dot structures - 🧠ANSWER ✔✔Note: include the
total number of valence electrons for each compound
List the four general types of chemical reactions - 🧠ANSWER
✔✔Combination, Decomposition, Single Replacement, and Double
Replacement
COPYRIGHT©PROFFKERRYMARTIN 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE.
1
PRIVACY STATEMENT. ALL RIGHTS RESERVED
, The compounds of a chemical reaction are called ? - 🧠ANSWER
✔✔Reactants and products
Note: remember how to balance equations - 🧠ANSWER ✔✔you may have
to indicate the type of reaction taking place
Note: remember how decomposition reactions work - 🧠ANSWER ✔✔write
the chemical formula for each compound and correctly decompose it
The molar mass of 1 mole of lithium hydroxide (LiOH) is ? - 🧠ANSWER
✔✔24g
What is the number of atoms in 24g of calcium (Ca) ? - 🧠ANSWER
✔✔3.622 x 10^23
A salt shaker is filled with 17.0 grams of sodium chloride. How many moles
does it contain? - 🧠ANSWER ✔✔0.291 Mol of NaCl
Calculate the molar mass of Al2Si2O5(OH)4 - 🧠ANSWER ✔✔257.8g
Calculate the molar mass of C5H10 - 🧠ANSWER ✔✔70g
Describe what is molar volume? - 🧠ANSWER ✔✔the volume 1 mole of any
gas takes up
COPYRIGHT©PROFFKERRYMARTIN 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE.
2
PRIVACY STATEMENT. ALL RIGHTS RESERVED
