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joja [24]
3 years ago
11

The element oxygen has _____ valence electrons. (Input only a whole number, such as 7.)

Chemistry
2 answers:
kipiarov [429]3 years ago
8 0
Remark
The short Answer is 6. That's why the ion has a charge of minus 2. Oxygen is doing it's best to have its outer ring have 8 electrons which is the number of outer electrons contained in the outer ring of the Noble Gas Neon.

Answer 6.
Neko [114]3 years ago
8 0
Looking at the periodic table, oxygen is in group 6A, meaning it has 6 valence electrons. Another way to determine this is look for the noble gas in the same row as the element whom's valence electrons you wish to find and subtract 1 valence electron from 8 until you reach the desired element. This will be your amount of valence electrons :)
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What are covalently bonded compounds that contain carbon called?
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How can chemical weathering contribute to physical weathering?
lora16 [44]

A-leads to the abrasion of rocks and minerals

A-dense vegetation cover

True

Explanation:

Weathering is the physical disintegration and chemical decomposition of rocks to form sediments and soils.

Agent of weathering are wind, water and glacier.

Chemical weathering contributes to physical weathering in that it leads to the abrasion of rocks and minerals.

During chemical weathering, a rock chemically combines with materials in the environment and weakens it.

When physical weathering processes are induced, grains produced independently weakening of bonds in rocks grind against one another and wears each other off.

An area with a dense vegetation cover undergoes rapid chemical weathering:

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Buildings and statues made of stone are subjected to the same degree of weathering as rocks exposed naturally.

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So they degrade at the same rate except they are protected.

learn more:

Erosion brainly.com/question/2473244

#learnwithBrainly

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