If a 25M _$\odot$ Main-Sequence Star Loses Mass at a Rate of 10

question 27

Multiple Choice

If a 25M _$\odot$ main-sequence star loses mass at a rate of 10 ^{- 6} M _$\odot$ /yr, then how much mass will it lose in its lifetime of 3 million years?

• A) 3M _\(\odot\)
• B) 5M _\(\odot\)
• C) 8M _\(\odot\)
• D) 10M _\(\odot\)
• E) 12M _\(\odot\)

---

Definitions:

Lone Pairs

Electron pairs in the outer shell of an atom that are not involved in chemical bonding.

Orbital

An equation that represents the wave-like actions of one or two electrons in an atomic structure.

Electrons

Subatomic particles with a negative electric charge, found orbiting the nucleus of an atom, fundamentally involved in chemical bonds and reactions.

Electronic Configuration

The distribution of electrons of an atom or molecule in atomic or molecular orbitals.