Answer:
Drag
Explanation:
Drag is directed opposite the direction of motion of the object relative to the fluid.
Answer:
all pure substance are molecules
<h3>
Answer:</h3>
B. It loses an electron and has an octet in its inner-most shell
<h3>
Explanation:</h3>
- Rubidium is a metal in the chemical family known as alkali metals.
- Metallic elements form ions known as cation by losing electron(s) from their outermost energy levels to attain an octet configuration.
- Rubidium has one electron in the outermost energy level, and thus, loses the electron to form a cation and forms an octet configuration.
- Like other alkali metals such as potassium and sodium, it forms a cation with a charge of + 1.
In collecting the precipitate, it is inappropriate to heat <span>the reacted mixture and evaporate off the water because it is possible that the mixture contains other substances that precipitates as well when the mixture is being heated so you will not be able to collect what you want.</span>
Eventually the oceanic plate is subducted under the continental plate due to the high density of the oceanic plate.
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