Put the sets of 3 elements in order from least metallic character to most metallic character. Help please!!

Answer:

strong winds come from the energy of a hurricane

The energy of a hurricane come from strong wind. The Taino Native American term hurricane, which translates to "bad spirit of the wind," is where the word hurricane originates.

A tropical storm that has sustained winds of 74 mph or greater is referred regarded as a hurricane. A storm's eye typically measures 20 to 30 miles in width and can reach distances of 400 miles. Storms can be dangerous because of their torrential downpours, strong gusts, and storm surges.

When warm, humid air begins to rise over water, hurricanes emerge. Cooler air replaces the rising air. Large clouds and thunderstorms continue to grow as a result of this process. Thanks to the earth's Coriolis Effect, these thunderstorms are still expanding and starting to rotate.

Thus, option B is correct.

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Answer:ultraviolet rays

Explanation:

Answer:

C:  [tex]\frac{6 mol}{2 L}[/tex]

Explanation:

we can use the molarity equation

[tex]M = \frac{mol}{L}[/tex]

so to find M we plug in what we know, which is 6 moles of NaCl and 2 L of water, which gives us:

[tex]\frac{6 mol}{2 L}[/tex]

Answer:6 mol/2L

Explanation:just took the quiz

Answer:

D - ingestion

Explanation:

Answer:

129 units cubed

Explanation:

There are ten spaces between 120 and 130, so we can infer that each line represents a change in volume of 1 unit. The volume of the substance in the graduated cylinder looks like it's 1 under 130, so its volume is 129 units.

Hopefully this was helpful! :)

Answer:

1/8

Explanation:

[tex] \frac{1}{ {2}^{3} } = \frac{1}{8} [/tex]

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Answer: Is it Conduction?

Explanation:

Answer:

Use calculator but first group them one by one and open the bracket by solving them accordingly

The number we get by this operation is 0.016. This number can be taken based on the rules for significant figures.

The number of significant figures is the number of digits that are known with certainty plus the last one having some uncertainty. All non zero values are significant and zero preceding first non zero digit is not significant .

For example in 65000, there are only two significant figures.  Similarly in 0.08 only one significant digit is present. Now when we multiply two decimal numbers, the result can only have as many decimal places as there are in the value with fewest decimal places.

First, multiply the numbers inside the bracket.  As per the above rule, the result should contain only two decimal places.

(0.08 ×200×0.004) = 0.06

Multiply by 65000 - 0.06×65000 = 3900

Now divide it by the multiplication product (800× 300), 240000 we get as follows:

3900÷240000 = 0.016

Hence the result of this operation is 0.016.

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Answer:

Valency of nitrogen in the given compounds:

N₂O₃ = +3

N₂O₅ = +5

NO = +2

-TheUnknownScientist 72

Answer:

is not completely ionized in water

The ethanoic acid (acetic acid) is considered as a weak acid because it does not releases all of its hydrogen in water, rather it dissociates partially and establishes an equilibrium with its conjugate base.

Answer:

six

Explanation:

check your periodic table

Answer:

Yes.

Explanation:

Answer:

=0=0==00=0=0=

Explanation:

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Explanation:

Ethanol-filled thermometers are used in preference to mercury for meteorological measurements of minimum temperatures and can be used down to −70 °C (−94 °F). The physical limitation of the ability of a thermometer to measure low temperature is the freezing point of the liquid used.

Answer:

True

Explanation:

A physical property is a characteristic of a substance that can be observed or measured without changing the identity of the substance. Physical properties include color, density, hardness, and melting and boiling points.

Answer:

The most common injury caused by working with machinery are cuts and burns.

Explanation:

Cuts and burns are the  most common injury caused by working with machines unsafely.

Any physiological harm to living tissue brought on by acute physical stress is referred to as an injury. An injury can be brought on by a blunt trauma, a piercing trauma, burning, exposure to chemicals, asphyxiation, or overexertion, and it can also happen accidentally. Any area of the body can become injured, and each injury has a unique set of symptoms.

Major injuries are normally treated by a medical practitioner, and the type of treatment depends considerably on the injury. The most frequent reason for accidental human injury or injury-related death is traffic crashes. Chronic conditions are different from injuries. Cuts and burns are the  most common injury caused by working with machines unsafely.

Therefore,  Cuts and burns are the  most common injury caused by working with machines unsafely.

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Answer:

a hydrogen ion will have more or fewer electrons than a standard hydrogen atom.

Explanation:

ions are atoms that have lost or gained elections. this applies to ions in general.

Answer:

Covalent bond between identical atoms

Covalent bonds occur between identical atoms or between different atoms whose difference in electronegativity is insufficient to allow transfer of electrons to form ions. ... The two hydrogen atoms are attracted to the same pair of electrons in the covalent bond.

Answer:

gas

Explanation:

at Standard Temperature and Pressure Carbon monoxide (CO), carbon dioxide (CO2) and nitrogen dioxide (NO2) exist as gases

Option C is correct

Covalent compounds are compounds that are characterized by strong Intra-molecular bonds and they are solids as they have higher molecular weights

But when compounds like Carbon monoxide (CO), carbon dioxide (CO2), and nitrogen dioxide (NO2) are formed with low molecular weight covalent bonds They exist as gases

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Answer:

number 29 is D

Explanation: When the moon orbits the earth some of the light reflects off the moon, making it visible on the Earth.

I dont know how to answer 28 fully, is there a picture?

Answer:

Because people can now see microscopic items

Explanation:

People can now see the cells because they are so small we cant see them with the enhanced microscope we can see everything that's micro

Answer:

The average kinetic energy increases, and the particles collide more frequently.

Explanation:

Answer:

Sn has a different charge in each of the compounds.

+2, +4 charges, respectively.  

Explanation:

SnO has subscripts of 1, which means it takes only one of each element to make the compound.

We know that oxygen's charge is -2 from the periodic table.

In order for the compound to be neutrally charged,

Sn + O = 0

Sn - 2 = 0.

So, Sn has a +2 charge.

Likewise with the second compound, we know O has a -2 charge.

Sn + 2*(-2) = 0

Sn - 4 = 0

Sn = +4

+2 and +4 are different charges on the Sn cation.  

Answer:9.38 x 10^−3 m

Explanation:

Answer: 9.38 x 10^−3 m

Explanation:

Answer:

Density 0.78945 g/cm3 (at 20 °C)

Melting point −114.14 ± 0.03 °C (−173.45 ± 0.05 °F; 159.01 ± 0.03 K)

Boiling point 78.23 ± 0.09 °C (172.81 ± 0.16 °F; 351.38 ± 0.09 K)

Solubility in water Miscible

Explanation:

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