What is the symbol for Hydrogen?
Q: What is the symbol for Hydrogen?
A: The symbol for Hydrogen is H.
Q: What is the atomic number of Hydrogen?
A: The atomic number of Hydrogen is 1.
Q: What is the standard atomic weight of Hydrogen?
A: The standard atomic weight of Hydrogen is 1.008, making it the lightest element in the periodic table.
Q: How much of normal matter (by mass) does hydrogen make up?
A: Hydrogen makes up 75% of all normal (baryonic) matter (by mass).
Q: Is hydrogen a common chemical element in the Universe?
A: Yes, hydrogen is the most common chemical element in the Universe.
Q: How many protons and electrons does hydrogen's most common isotope have?
A: Hydrogen's most common isotope has one proton with one electron orbiting around it.
Q: Are stars mostly made up of hydrogen?
A: Yes, most stars are mostly composed of hydrogen.
