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Licemer1 [7]
3 years ago
14

Elements are arranged by their properties on the periodic table. Arranged by their properties?

Chemistry
1 answer:
vichka [17]3 years ago
3 0
Properties like atomic number, valency etc...
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2. State one difference between gas and vapour. Which of the following substance in the gaseous state should be called a vapour?
Neporo4naja [7]
Difference between Gas and Vapour:
                                                          
Gas:
        A thermodynamic state in which a substance exists only in one phase i.e. Gas phase. In above given examples N₂, He and CO₂ exists as gases at room temperature. These gases cannot form a solid or liquid phase along with gas phase as these states requires very low temperatures.

Vapours:
               It is a thermodyanamic state in which a substance exists in more than one phase. In given options Sulfur can exist in vapor state. This is because sulfur exists in a cyclic or chain form due to catenation (self linkage property). Therefore, a lower members of S allotrops can form a vapours.
3 0
3 years ago
Weather stations send up weather balloons with _____ to transmit temperature, humidity, wind speed, and wind direction measureme
laiz [17]
Technology? GPS? Analyzers? try those
6 0
3 years ago
A molecule of glucose is comprised of 6 atoms of carbon, 12 atoms of hydrogen, and 6 atoms of oxygen.
Tcecarenko [31]
B i just did the test
5 0
3 years ago
How are the four kinds of DNA nucleotides different from each other?
Firlakuza [10]

Answer:

The sugar in DNA is deoxyribose. ... Nucleotides in DNA contain four different nitrogenous bases: Thymine, Cytosine, Adenine, or Guanine. There are two groups of bases: Pyrimidines: Cytosine and Thymine each have a single six-member ring.

6 0
3 years ago
What is the mass of 4 moles of helium, He?
aniked [119]
I am pretty sure it is 4.002602
4 0
3 years ago
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