What is the significance of valence electrons?
What will be an ideal response?
Valence electrons are located in the outermost shell of an atom and are the electrons that interact with other atoms' electrons to form chemical bonds.
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A party balloon of high voltage likely has low
A. charge. B. electrical resistance. C. energy. D. all of the above
As indicated in this image, when different species of warblers inhabit the same area, is food competition reduced?
What will be an ideal response
Match the letter to the correct term and/or phrase in the concept map. (Igneous rocks)
Match the letter to the correct term and/or phrase in the concept map.
- Silica content
- Beneath the surface
- Magma
- Large grained
- Color
- Plutonic rocks
- Volcanic rocks
- Granite
- Basalt
- Texture
In Appalachia, many miners are out of work because ________
A) coal extraction has decreased because the region is beginning to run out of coal B) they were fired for protesting mountaintop removal C) mountaintop removal is highly mechanized, and thus they are not needed D) of local protests that shut down mining operations E) of a moratorium on mountaintop removal