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Questions and Answers
What are the three types of subatomic particles that make up atoms?
What are the three types of subatomic particles that make up atoms?
- Protons, electrons, and photons
- Protons, neutrons, and electrons (correct)
- Neutrons, electrons, and positrons
- Protons, neutrinos, and neutrons
Where are most of the mass of an atom concentrated?
Where are most of the mass of an atom concentrated?
- In the protons
- In the electrons
- In the nucleus (correct)
- In the neutrons
Which term refers to the combined number of protons and neutrons in an atom?
Which term refers to the combined number of protons and neutrons in an atom?
- Molar mass
- Atomic configuration
- Mass spectrometry
- Mass number (correct)
What is the correct order of subatomic particles in terms of mass (from heaviest to lightest)?
What is the correct order of subatomic particles in terms of mass (from heaviest to lightest)?
Which subatomic particle carries a positive charge?
Which subatomic particle carries a positive charge?
What is the main location of electrons in an atom?
What is the main location of electrons in an atom?
What is the correct order of filling orbitals based on energy levels?
What is the correct order of filling orbitals based on energy levels?
What is the maximum number of electrons that can fill a single atomic orbital?
What is the maximum number of electrons that can fill a single atomic orbital?
Which orbital has the lowest energy level among the following?
Which orbital has the lowest energy level among the following?
According to the Aufbau principle, how are atomic orbitals filled?
According to the Aufbau principle, how are atomic orbitals filled?
How many sub-shells are there in an atom with electron configuration 1s²2s²2p⁶3s²?
How many sub-shells are there in an atom with electron configuration 1s²2s²2p⁶3s²?
What is the purpose of ionisation energy?
What is the purpose of ionisation energy?
What property of atoms do successive ionisation energies provide evidence for?
What property of atoms do successive ionisation energies provide evidence for?
How do successive ionisation energies change within each shell?
How do successive ionisation energies change within each shell?
What effect does increasing atomic radii have on ionisation energies?
What effect does increasing atomic radii have on ionisation energies?
How does nuclear charge affect the attractive force on outer electrons?
How does nuclear charge affect the attractive force on outer electrons?
Why do ionisation energies decrease across a group?
Why do ionisation energies decrease across a group?
What causes big jumps in ionisation energies between shells?
What causes big jumps in ionisation energies between shells?
What is the chemical formula of the alcohol produced from the hydration of ethene?
What is the chemical formula of the alcohol produced from the hydration of ethene?
Which products are formed when alcohols are combusted as a fuel source?
Which products are formed when alcohols are combusted as a fuel source?
What happens when alcohols are dehydrated using a concentrated acid catalyst?
What happens when alcohols are dehydrated using a concentrated acid catalyst?
How can the presence of alkenes be tested using bromine water?
How can the presence of alkenes be tested using bromine water?
What is a disadvantage of the process of forming addition polymers from alkenes?
What is a disadvantage of the process of forming addition polymers from alkenes?
Why is advanced equipment needed for the process of producing ethanol from ethene?
Why is advanced equipment needed for the process of producing ethanol from ethene?
What is the general formula for esters?
What is the general formula for esters?
How are esters formed?
How are esters formed?
What happens during acid-catalyzed hydrolysis of esters?
What happens during acid-catalyzed hydrolysis of esters?
Which functional group do carboxylic acids contain?
Which functional group do carboxylic acids contain?
What is the product when acyl chlorides react with alcohols?
What is the product when acyl chlorides react with alcohols?
What is the structure of an acid anhydride?
What is the structure of an acid anhydride?
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