Podcast
Questions and Answers
What is the atomic number of carbon?
What is the atomic number of carbon?
What is the chemical symbol for gold?
What is the chemical symbol for gold?
What is the most abundant element in the Earth's crust?
What is the most abundant element in the Earth's crust?
What is the maximum number of electrons that can occupy the 3rd energy level of an atom?
What is the maximum number of electrons that can occupy the 3rd energy level of an atom?
Signup and view all the answers
Which of the following elements has the highest electronegativity?
Which of the following elements has the highest electronegativity?
Signup and view all the answers
What is the atomic number of the element with 6 protons and 6 neutrons?
What is the atomic number of the element with 6 protons and 6 neutrons?
Signup and view all the answers
Study Notes
Key Facts about Elements
- Carbon has an atomic number of 6, indicating it has 6 protons in its nucleus.
- Gold is represented by the chemical symbol Au, derived from its Latin name "aurum."
- The most abundant element in the Earth's crust is oxygen, constituting about 46.6% of its mass.
- The maximum number of electrons that can occupy the 3rd energy level of an atom is 18, based on the formula 2n² where n is the energy level number.
- Fluorine has the highest electronegativity on the Pauling scale, making it the most electronegative element.
- An element with 6 protons and 6 neutrons is carbon, confirming its atomic number is 6.
Studying That Suits You
Use AI to generate personalized quizzes and flashcards to suit your learning preferences.
Description
Test your knowledge of basic chemistry concepts with this quiz! Answer questions about atomic numbers, chemical symbols, and the abundance of elements in the Earth's crust. Perfect for class 11th students studying chemistry.
