NEW
Font size
WorksheetsRevision Physical Chem HUCM
Total questions: 71
Worksheet time: 36mins
Which subatomic particle is negatively charged?
Electron
Proton
Neutron
Positron
Which subatomic particle is found outside the nucleus?
Electron
Proton
Neutron
Quark
Which subatomic particle is responsible for chemical bonding?
Electron
Proton
Neutron
Photon
Which subatomic particle is positively charged and located in the nucleus?
Electron
Proton
Neutron
Positron
Which subatomic particle determines the atomic number of an element?
Electron
Proton
Neutron
Quark
Which subatomic particle has no charge and is located in the nucleus?
Electron
Proton
Neutron
Positron
Which subatomic particle contributes to atomic mass and isotopes?
Electron
Proton
Neutron
Photon
The positron is the antimatter counterpart of which particle?
Electron
Proton
Neutron
Photon
Neutrinos are extremely small, neutral particles involved in ______ processes.
nuclear
chemical
mechanical
thermal
Quarks are fundamental particles that make up ______ and ______.
protons and neutrons
electrons and photons
atoms and molecules
neutrons and electrons
Which of the following is NOT a factor that influences the naming of chemical elements?
A) History
B) Properties
C) Places
D) Weather
Fill in the blank: The names of chemical elements often reflect ________, discovery, properties, places, or people associated with them.
history
color
size
weight
Category of Origin: Physical / Chemical Property Basis of Naming: Describes behaviour or characteristic Element: ________ Explanation: From Greek hydro (water) and genes (former); forms water when reacting with oxygen. Fill in the blank with the correct element name.
Hydrogen
Oxygen
Nitrogen
Helium
Category of Origin: Physical Appearance Basis of Naming: Colour or visual feature Element: ________ Explanation: From Greek chloros, meaning greenish-yellow. Fill in the blank with the correct element name.
Chlorine
Bromine
Iodine
Fluorine
Category of Origin: Place / Geography Basis of Naming: Country or region of discovery Element: ________ Explanation: Named after Poland. Fill in the blank with the correct element name.
Polonium
Francium
Germanium
Ruthenium
Category of Origin: Place / Geography Basis of Naming: Country Element: ________ Explanation: Named after France. Fill in the blank with the correct element name.
Francium
Germanium
Polonium
Americium
Category of Origin: Scientist Basis of Naming: Honours a scientist Element: ________ Explanation: Named after Marie and Pierre Curie. Fill in the blank with the correct element name.
Curium
Einsteinium
Fermium
Mendelevium
Category of Origin: Scientist Basis of Naming: Honours a physicist Element: ________ Explanation: Named after Albert Einstein. Fill in the blank with the correct element name.
Einsteinium
Curium
Fermium
Rutherfordium
Category of Origin: Mythology / Astronomy Basis of Naming: Named after gods or planets Element: ________ Explanation: Named after the Roman god and planet Mercury. Fill in the blank with the correct element name.
Mercury
Venus
Mars
Jupiter
Category of Origin: Astronomy Basis of Naming: Named after a planet Element: ________ Explanation: Named after planet Uranus. Fill in the blank with the correct element name.
Uranium
Neptunium
Plutonium
Mercury
Category of Origin: Latin Name Basis of Naming: Derived from Latin term Element: ________ Explanation: Symbol comes from Latin Natrium. Fill in the blank with the correct element name.
Sodium (Na)
Potassium (K)
Calcium (Ca)
Magnesium (Mg)
Category of Origin: Latin Name Basis of Naming: Derived from Latin term Element: ________ Explanation: Symbol comes from Latin Ferrum. Fill in the blank with the correct element name.
Iron (Fe)
Copper (Cu)
Silver (Ag)
Gold (Au)
What happens to the atomic radius as you move down a group in the periodic table?
Increases
Decreases
Stays the same
Fluctuates
Electropositivity ________ as you move down a group in the periodic table.
Increases
Decreases
Remains the same
Becomes unpredictable
Which property decreases as you move down a group in the periodic table?
Atomic Radius
Electropositivity
Electronegativity
Polarizability
Larger atoms have more easily distorted electron clouds, making them more ________.
polarizable
reactive
stable
electronegative
What happens to the atomic radius as you move across a period from left to right in the periodic table?
Increases
Decreases
Remains the same
First increases then decreases
Which property increases as you move across a period from left to right in the periodic table?
Atomic Radius
Electronegativity
Electropositivity
Polarizability
Fill in the blank: As you move across a period, atoms lose electrons less easily as nuclear attraction ________.
increases
decreases
remains the same
fluctuates
Which observation in the periodic table describes similar properties between diagonally adjacent elements?
Diagonal Behaviour
Secondary Periodicity
Knight’s Move Relationship
First-Member Anomaly
What is an example of Secondary Periodicity in the periodic table?
Seen in melting points and atomic volumes of elements
Observed in the color changes of transition metals
Found in the isotopic abundance of elements
Related to the magnetic properties of lanthanides
Which observation describes similarity between elements separated by two columns and one row down?
Diagonal Behaviour
Knight’s Move Relationship
First-Member Anomaly
Similarity of n and n+10 Groups
What is the type of bonding in H₂O?
Ionic bonding
Covalent bonding
Metallic bonding
Hydrogen bonding
What is the type of bonding in NaCl?
Ionic bonding
Covalent bonding
Metallic bonding
Hydrogen bonding
What is the type of bonding in KOH?
Ionic bonding
Covalent bonding
Metallic bonding
Hydrogen bonding
What is the type of bonding in N₂?
Ionic bonding
Covalent bonding
Metallic bonding
Hydrogen bonding
What is the type of bonding in MgCl₂?
Ionic bonding
Covalent bonding
Metallic bonding
Hydrogen bonding
What is the type of bonding in Benzene (C₆H₆)?
Ionic bonding
Covalent bonding
Metallic bonding
Hydrogen bonding
What is the type of bonding in Bronze?
Ionic bonding
Covalent bonding
Metallic bonding
Hydrogen bonding
What is the type of bonding in Brass?
Ionic bonding
Covalent bonding
Metallic bonding
Hydrogen bonding
What is the type of bonding in Steel?
Ionic bonding
Covalent bonding
Metallic bonding
Hydrogen bonding
What is the type of bonding in Iron (Fe)?
Ionic bonding
Covalent bonding
Metallic bonding
Hydrogen bonding
What is the atomic number of Hydrogen (H)?
1
2
8
6
Which group does Carbon (C) belong to?
Group 14
Group 1
Group 7
Group 18
How many valence electrons does Nitrogen (N) have?
5
3
6
8
What is the atomic number of Oxygen (O)?
8
6
12
16
Which group does Sulphur (S) belong to?
Group 16
Group 14
Group 17
Group 15
How many valence electrons does Boron (B) have?
3
1
5
7
What is the atomic number of Chlorine (Cl)?
17
12
35
8
Which group does Fluorine (F) belong to?
Group 17
Group 1
Group 2
Group 18
How many valence electrons does Magnesium (Mg) have?
2
1
3
4
What is the atomic number of Sodium (Na)?
11
12
10
14
What is the ideal gas equation that describes the relationship between pressure, volume, temperature, and amount of a gas?
PV = nRT
PV = RT/n
P = nRT/V
V = nP/RT
What does 'P' stand for in the ideal gas equation?
Pressure of the gas
Potential energy of the gas
Partial volume of the gas
Proton number of the gas
What does 'V' stand for in the ideal gas equation?
Volume of the gas
Velocity of the gas
Viscosity of the gas
Vapor pressure of the gas
What does 'n' stand for in the ideal gas equation?
Number of moles of gas
Normal pressure of gas
Newton of force applied
Numerical value of temperature
What does 'R' stand for in the ideal gas equation?
Gas constant
Rate constant
Resistance
Radius
What does 'T' stand for in the ideal gas equation?
Absolute temperature (in Kelvin)
Time (in seconds)
Tension (in Newtons)
Total pressure (in atm)
Which of the following is a key condition for ideal gas behaviour?
Gas particles have significant volume
Gas particles have negligible volume
Gas particles have strong intermolecular forces
Collisions are not elastic
No intermolecular forces exist between particles in an ideal gas.
True
False
Collisions between gas particles in an ideal gas are perfectly elastic.
True
False
Which factor increases the rate of reaction by causing more frequent effective collisions?
Temperature
Concentration
Surface area
Catalyst
Higher temperature increases the rate of reaction because:
Particles have lower kinetic energy
Particles have higher kinetic energy
More exposed particles for collision
Gas particles are closer together
Larger surface area increases the rate of reaction because it provides ________ for collision.
more exposed particles
less energy
fewer molecules
lower temperature
A catalyst increases the rate of reaction by providing an alternative ________ pathway.
reaction
energy
temperature
pressure
Higher pressure increases the rate of reaction for gases because gas particles are ________ together.
closer
farther
slower
lighter
What is the overall reaction order for the rate law expression Rate = k[A]?
1
0
2
3
What is the overall reaction order for the rate law expression Rate=k[A][B]2 ?
3
1
2
4
What is the definition of a catalyst in pharmaceutical synthesis?
A substance that increases the rate of a chemical reaction without being consumed in the process.
A substance that is always consumed during a chemical reaction.
A compound that decreases the rate of a chemical reaction.
A reactant that is required in large quantities for a reaction to occur.
How does a catalyst affect the reaction rate in pharmaceutical synthesis?
Increases the number of particles with sufficient energy to undergo effective collisions.
Decreases the temperature required for the reaction to occur.
Reduces the concentration of reactants needed for the reaction.
Slows down the reaction by stabilizing the reactants.
What is the importance of a catalyst in pharmaceuticals?
Enhances yield, purity, and consistency of active pharmaceutical ingredients (APIs).
Reduces the shelf life of pharmaceutical products.
Increases the toxicity of active pharmaceutical ingredients (APIs).
Decreases the effectiveness of drug formulations.
