Podcast
Play an AI-generated podcast conversation about this lesson
Questions and Answers
What is the electron configuration of the element with 10 electrons?
What is the electron configuration of the element with 10 electrons?
- 1s2 2s1 2p7
- 1s2 2s1 2p6 (correct)
- 1s2 2s2 2p6
- 1s2 2s2 2p5
How many valence electrons does an atom with the electron configuration 1s2 2s2 2p6 have?
How many valence electrons does an atom with the electron configuration 1s2 2s2 2p6 have?
- 6
- 8 (correct)
- 10
- 7
In which energy state would an electron configuration of 1s1 2s2 2p6 be considered?
In which energy state would an electron configuration of 1s1 2s2 2p6 be considered?
- Excited state
- Elevated state
- De-energized state
- Ground state (correct)
Which of the following best describes isotopes?
Which of the following best describes isotopes?
Signup and view all the answers
In Tritium (3 1 H), how many protons, neutrons, and electrons are present, respectively?
In Tritium (3 1 H), how many protons, neutrons, and electrons are present, respectively?
Signup and view all the answers
Which ion is formed when Uranium loses two electrons?
Which ion is formed when Uranium loses two electrons?
Signup and view all the answers
What does the term 'ion' refer to?
What does the term 'ion' refer to?
Signup and view all the answers
What is the mass number of an atom?
What is the mass number of an atom?
Signup and view all the answers
How is the atomic number represented in the symbol of an element in the periodic table?
How is the atomic number represented in the symbol of an element in the periodic table?
Signup and view all the answers
What is the relationship between the mass number and the atomic number of an atom?
What is the relationship between the mass number and the atomic number of an atom?
Signup and view all the answers
Which subatomic particle is not found in the nucleus of an atom?
Which subatomic particle is not found in the nucleus of an atom?
Signup and view all the answers
