Which of the Following Atoms or Ions Will Produce Strong

question 48

Multiple Choice

Which of the following atoms or ions will produce strong absorption lines in the spectra of stars with relatively cool surface temperatures?

• A) TiO,molecules of titanium oxide
• B) He I,neutral helium
• C) Mg II,ionized magnesium
• D) Ca II,ionized calcium

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Definitions:

Radial Nerve

A nerve in the arm that supplies motor and sensory function to parts of the arm and hand, including the triceps and the extensor muscles of the forearm.

Triceps Brachii

A three-headed muscle located on the back of the upper arm, responsible for extending the forearm at the elbow.

Hindlimb

The back limbs of a quadruped animal, involved in locomotion and supporting the animal’s weight.

Common Fibular Nerve

A nerve in the lower leg that branches from the sciatic nerve and provides sensation and motor function to parts of the leg.