Families
A family is
What is a vertical column on the periodic table?
A helium atom has 2 protons and 2 neutrons, so this is its atomic mass
What is 4?
The atomic number of hydrogen is
What is 1?
Lithium's atomic symbol
What is Li?
Hydrogen and helium are in this Period
What is Period 1?
Helium, neon, and argon are in this family
What is noble gases?
A magnesium atom has 12 protons and 12 neutrons, so its atomic mass is
What is 24?
The atomic number of boron is
What is 5?
Sulfur's atomic symbol
What is S?
Lithium and beryllium are in this period
What is Period 2?
This element isn't in a family
What is hydrogen?
A tin atom has 50 protons and 69 neutrons, so its atomic mass is
What is 119?
The atomic number of silicon is
What is 14?
Sodium's atomic symbol
What is Na?
Potassium and calcium are in this period
What is Period 4?
Beryllium is in this family
What is alkaline earth metals?
A flerovium atom has 114 protons, and its atomic mass is 289, so it has this many neutrons
What is 175?
A silver atom has 61 neutrons, and its atomic mass is 108, so its atomic number is
What is 47?
Iron's atomic symbol
What is Fe?
Platinum and gold are in this Period
What is Period 6?