Podcast
Questions and Answers
What is the atomic number of an atom?
What is the atomic number of an atom?
- The number of electrons
- The sum of protons and neutrons
- The number of neutrons
- The number of protons (correct)
Which sub-atomic particle is not accounted for in the atomic number?
Which sub-atomic particle is not accounted for in the atomic number?
- Electrons
- Neutrons (correct)
- Protons
- Isotopes
What does the mass number represent in an atom?
What does the mass number represent in an atom?
- The number of protons
- The total number of sub-atomic particles
- The sum of protons and neutrons (correct)
- The number of electrons
Which element has an atomic number of 6 and a mass number of 12?
Which element has an atomic number of 6 and a mass number of 12?
What does the notation 'A Z x' represent for an element?
What does the notation 'A Z x' represent for an element?
Which of the following best describes a molecule of an element?
Which of the following best describes a molecule of an element?
What is the relationship between the mass number and the atomic number in an atom?
What is the relationship between the mass number and the atomic number in an atom?
Which sub-atomic particle has a charge but negligible mass?
Which sub-atomic particle has a charge but negligible mass?
What is the main difference between monoatomic and polyatomic molecules?
What is the main difference between monoatomic and polyatomic molecules?
Which Greek philosopher first proposed the idea of 'atoms'?
Which Greek philosopher first proposed the idea of 'atoms'?
What is the atomic number of an element?
What is the atomic number of an element?
What is the relationship between the number of protons, electrons, and atomic number in an atom?
What is the relationship between the number of protons, electrons, and atomic number in an atom?
Which subatomic particle is responsible for the mass of an atom?
Which subatomic particle is responsible for the mass of an atom?
How can you calculate the number of neutrons in an atom?
How can you calculate the number of neutrons in an atom?
In an atom with 8 protons, how many electrons are present?
In an atom with 8 protons, how many electrons are present?
What is the relationship between the mass number and atomic number in an atom?
What is the relationship between the mass number and atomic number in an atom?
If an element has 6 protons and 6 neutrons, what is its atomic number?
If an element has 6 protons and 6 neutrons, what is its atomic number?