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3 years ago

Why did scientists in the 1800s decide that the list of known elements needed to be more

Chemistry

1 answer:

ankoles [38]3 years ago

8 0

Explanation:

The scientists realized that the properties of elements related to each other depending on relational properties of their atoms. They realized that atoms of different elements shared some properties depending on the number of electrons they have in their valence orbital shells and atomic mass numbers. These atomic properties determined the elements' shared properties such as texture, reactivity, electric conductivity and etcetera. Arranging the atoms in a periodic table would therefore ideally make it easier to decipher the shared similarities and differences between atoms of different elements, such as physical and chemical properties.

Learn More:

For more on the periodic table check out these questions;

brainly.com/question/569321

brainly.com/question/1358941

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The height of a column of mercury in a closed-end manometer is 13.2 cm. What is the pressure of the gas in torr

AlladinOne [14]

Answer:

$P_{gas}=131.96torr$

Explanation:

Helo,

In this case, the pressure must be computed as follows:

$P_{gas}=gh\rho _{Hg}$

Which is using the density of mercury (13.6 g/mL) and its height, thus, we obtain (using the proper units):

$P_{gas}=9.8\frac{m}{s^2}*(13.2cm *\frac{1m}{100cm} )*(13.6\frac{g}{cm^3}*\frac{1kg}{1000g}*\frac{1x10^6cm^3}{1m^3} )\\\\P_{gas}=17592.96Pa*\frac{760torr}{101325Pa} \\\\P_{gas}=131.96torr$

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3 years ago

What gives the gem amethyst its purplish color?

Alina [70]

iron Presence of trace elements, irradiation and iron impurities give the gem amethyst its purplish color!

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3 years ago

A hot cup of water has fewer molecules than a hot tub of water. This same cup of

Mrac [35]

Answer:eeded to change the temperature of one gram of a substance one degree ... iron(specific heat=0.12 cal/g C) and a cup of water both have the same temperature. ... If you drop a hot rock into a pail of water,the temperature of the rock and the water ... Therefore, water molecules have higher specific heat capacity than metals

Explanation:

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Sever21 [200]

Answer:

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Explanation:

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3 years ago

A sample liquid is heated in a closed container until it changes to gas.what happens to the size of the particles in the sample

murzikaleks [220]

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Fact: The size of a particle will never change!

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3 years ago

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