Compared with Our Sun,most Stars in the Halo Are

question 27

Multiple Choice

Compared with our Sun,most stars in the halo are

• A)young,red,and dim and have fewer heavy elements.
• B)young,blue,and bright and have much more heavy element material.
• C)old,red,and dim and have fewer heavy elements.
• D)old,red,and dim and have much more heavy element material.
• E)old,red,and bright and have fewer heavy elements.

---

Definitions:

Stoichiometry

The calculation of reactants and products in chemical reactions based on the conservation of mass.

Chemical Reactions

Processes in which one or more substances, the reactants, are converted to one or more different substances, the products.

Chemical Equations

Chemical equations are symbolic representations of chemical reactions, depicting the reactants and products, their phases, and the stoichiometric relationships between them.

HCl

Hydrochloric acid, a strong corrosive acid that is used in chemical synthesis and as a digestive aid in the human stomach.