Phosphorus
Hydrogen is the most abundant element and makes up 99.8% of the Solar System.
Yes, I have some my kitchen drawer, which is inside the solar system.
The element named after the coldest planet in the solar system is "Neptunium." It is named after the planet Neptune, which is known for its icy temperatures in the outer reaches of our solar system.
Hydrogen
No, Titan is the largest moon in the Solar system. It belongs to Saturn and its the only moon in the Solar System to have a proper atmosphere.
The second most abundant element in the solar system is hydrogen.
Phosphorus.
Mercury is both a chemical element on the periodic table and the name of a planet in our solar system.
Mercury is the most iron-rich planet in the solar system.
For the abundance of tin in the solar system see the link below.
Most of our solar system is made up of hydrogen.
"Our solar system." The "part of our galaxy" that's in our solar system is the solar system.