Podcast
Questions and Answers
What is the atomic number of carbon?
What is the atomic number of carbon?
- 6 (correct)
- 5
- 12
- 7
What is the chemical symbol for gold?
What is the chemical symbol for gold?
- Go
- Ag
- Gd
- Au (correct)
Which of the following is a noble gas?
Which of the following is a noble gas?
- Hydrogen
- Oxygen
- Sulfur
- Neon (correct)
Flashcards
What is the atomic number?
What is the atomic number?
The number of protons in the nucleus of an atom. This number defines the element.
What is a chemical symbol?
What is a chemical symbol?
The one- or two-letter symbol used to represent an element on the periodic table.
What is a noble gas?
What is a noble gas?
Elements found in Group 18 of the periodic table. They are unreactive because they have a full outer shell of electrons.
