Life Cycle of a Star. Stars are formed in clouds of gas and dust, known as nebulae. ... Small stars, like the Sun, will undergo a relatively peaceful and beautiful death that sees them pass through a planetary nebula phase to become a white dwarf, this eventually cools down over time leaving a brown dwarf.
High heat conductivity is generally characteristic of metallic elements.
Fluorine
Check out the periodic table. Exact mass number of Fluorine should appear as 18.99...
The answer is a geyser on apex
Answer:
Periodic: electronegativity, ionization energy, electron affinity, atomic radius, melting point, and metallic character
Explanation: