Periodic Table
- How many protons does H have? ____
- How many protons does He have? ____
- How many protons does N have? ____
- How many protons does C have? ____
- How many protons does O have? ____
- How many neutrons does H have? ____
- How many neutrons does He have? ____
- How many neutrons does N have? ____
- How many neutrons does C have? ____
- How many neutrons does O have? ____
- How many electrons does H have? ____
- How many electrons does He have? ____
- How many electrons does N have? ____
- How many electrons does C have? ____
- How many electrons does O have? ____
- How many electron shells does Si have? _____
- How many electron shells does Na have? _____
- How many electron shells does C have? _____
- How many electron shells does He have? _____
- How many electron shells does H have? _____
- What is the atomic number of C? _____
- What is the atomic number of H? _____
- What is the atomic number of O? _____
- What is the atomic number of N? _____
- What is the mass number of C? _____
- What is the mass number of H? _____
- What is the mass number of O? _____
- What is the mass number of N? _____
- How many electrons does H have in its outer shell? _____
- How many electrons does He have in its outer shell? _____
- How many electrons does N have in its outer shell? _____
- How many electrons does O have in its outer shell? _____
- How many electrons does Si have in its outer shell? _____
- How many electrons does C have in its outer shell? _____
- How many electrons does Ne have in its outer shell? _____