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gulaghasi [49]
3 years ago
13

Which statement best describes the movement of Wind?

Chemistry
1 answer:
WARRIOR [948]3 years ago
6 0

Answer:

A. Air moves from high pressure to low pressure

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Select the correct boxes. which two elements have the same number of valence electrons?
Simora [160]

Carbon and silicon have same number of valance electrons which is 4 electrons

Now, Barium is a 2nd group element. So, it has two valance electrons.

Silicon is a 16th group element and it has 4 valance electrons as does the carbon. This is because they both stay in the same group in the periodic table.

Neon is a noble gas which has 8 valance electrons and stays in the 18th group.

Therefore, carbon and silicon have same number of valance electrons which is 4 electrons.

<h3>What are Valence electrons ?</h3>

The electrons in an atom's outermost shell, or energy level, are called valence electrons. For instance, the valence electrons of oxygen are six, with two in the 2s subshell and four in the 2p subshell.

  • The number of valence electrons for neutral atoms is the same as the number of the atom's main group. A periodic table element's column can be used to determine its main group number. For instance, carbon, which belongs to group 4, has four valence electrons. Group 6 oxygen contains six valence electrons.

Learn more about Valence electrons here:

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How does size influence the appearance of a star? Give an example in your response
Maurinko [17]
Makes it seem bigger and brighter
7 0
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Definition of Absorption
adell [148]
<span>the process or action by which one thing absorbs or is absorbed by another.</span>
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3 years ago
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2 grams of hydrogen diffuses from containers in 10 minutes. How many grams of oxygen would diffuse through same container in sam
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Answer:20

Explanation:make sure you thank me

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Which valid empercal formula below would have one. Five times as much oxygen as there is gold in the substance
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Answer:

Au2O3

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See attachment.

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