fluorine is a toxic, reactive gas. which representation (structural formula, electron dot structure, or three-dimensional model) would you use to explain why fluorine is so reactive, why?

Answers

Answer 1

Answer: I think the correct answer is to use its electron dot structure. Fluorine is the most electronegative element among the halogens. It has 5 electrons in its 2p shell wherein it should have 6 electrons.

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Which of the following is a major consequence of the shifting of the Intertropical Convergence Zone (ITCZ)? A. monsoon rains in South Asia B. few winds in the horse latitudes C. jet streams over the North Atlantic D. lush vegetation in the Amazonian rainforest

Answers

The shifting of the Intertropical Convergence Zone (ITCZ) results to A. monsoon rains in South Asia. The ITCZ is a region on Earth where the Northern and Southern hemispheres meet, causing the trade winds from both regions to meet. This causes a belt of low pressure, making the region prone to heavy rainfall or monsoon rains.

The best tool to use to locate the boundaries between countries is a(n) _____.interrupted area map
political map
population map
relief map

Answers

The correct answer is (b) political map

The explanation:

when a political map: is different than other types of maps because it focuses on government or administrative boundaries rather than geographical or physical features. Instead of showing viewers what exists in the land, it shows those imaginary lines that serve to separate countries, states, territories, and cities. These maps generally include larger bodies of water, such as oceans, rivers, and lakes, as landmarks.

It was made by man not natural like the others maps.

so this is the correct answer.

Final answer:

A political map is the best tool to locate the boundaries between countries, providing distinct and accurate depiction of governmental boundaries.

Explanation:

The best tool to use to locate the boundaries between countries is a political map. Political maps are designed to show governmental boundaries of countries, states, and counties.

They also indicate the location of major cities, and they usually include significant bodies of water.

Unlike other types of maps like interrupted area maps, population maps, or relief maps, a political map focuses specifically on the delineation of imaginary lines separating different political entities, making it the ideal tool for identifying country boundaries.

Learn more about Political Map here:

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Describe the difference between polar covalent bonds and nonpolar covalent bonds using these two molecules - H2 and HCl. Which molecule contains a polar covalent bond and which molecule contains a nonpolar covalent bond? Explain your reasoning alongside describing the differences between the types of bonds.

Answers

Polar covalent bonds are between atoms with different electronegativities, whereas nonpolar covalent bonds are between atoms with the same electronegativity.

This means that HCl is a polar covalent bond, whereas H2 is a nonpolar covalent bond.

What does physical change mean?

Answers

Physical change means - a change from one state ( solid,liquid or gas) to another state without change in chemical composition.

Physical change is when no new substances are formed. If there is a chemical substance then physical changes takes affect to its form, but not its chemical composition. Hope this helps.

NEED HELP ASAP PLEASEIdentify the type of bonding, covalent, ionic, or metallic, between
the atoms in an oxygen molecule.

Answers

Answer:

here hope it helps

Explanation:

covalent bonds

What the guy said on top he is right.

How many moles of hydrogen are needed to produce 13.78 mol of ethane?

Answers

This is an incomplete question, here is a complete question.

The following balanced equation shows the formation of ethane (C₂H₆).

$C_2H_2+2H_2\rightarrow C_2H_6$

How many moles of hydrogen are needed to produce 13.78 mol of ethane?

1) 3.445 mol

2) 6.890 mol

3) 27.56 mol

4) 55.12 mol

Answer : The number of moles of hydrogen needed are, (3) 27.56 mol

Explanation : Given,

Moles of ethane = 13.78 mol

The given balanced chemical reaction is:

$C_2H_2+2H_2\rightarrow C_2H_6$

From the balanced chemical reaction we conclude that,

As, 1 mole of ethane produced from 2 moles of hydrogen

So, 13.78 mole of ethane produced from $13.78* 2=27.56$ moles of hydrogen

Thus, the number of moles of hydrogen needed are, 27.56 mol

Ethane is an alkane. Methane is also an alkane and is considered to be the simplest alkane. The difference is ethane has only 2 carbon. That carbon has 6 hydrogen attached to it. So what we do is we multiply the moles of ethane by the number of hydrogen (by dimension analysis) resulting to 82.68 moles H.

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Hydrogen, when combined with oxygen in a chemical reaction, forms water. This is an example of which type of chemical reaction? I think its single displacement but I am not sure.