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iragen [17]
3 years ago
6

What are the characteristics of a gas? no definite shape but a definite volume a definite volume and definite shape a definite s

hape but no definite volume no definite shape or definite volume
Chemistry
2 answers:
Scrat [10]3 years ago
5 0

Answer:

Hey! i think its the first one! Good luck!

Explanation:

grandymaker [24]3 years ago
3 0

Answer:no definite shape or definite volume

Explanation:

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If 6.02×1023 atoms of element Y have a mass of 28.09 g, what is the identity of Y?
Mazyrski [523]

Silicon is the element having a mass of 28.09 g

<u>Explanation</u>:

  • Silicon is the element having an atomic mass of 28.09 g / mol. So 28.09 g of silicon contains 6.023 \times 10^23 atoms. One mole of each element can produce one mole of compound.
  • The Atomic weight of an element can be determined by the number of protons and neutrons present in one atom of that element. So atomic weight expressed in grams always contain the same number of atoms( 6.023 \times10^23).
  • Avagadro number is the number of atoms of 1 mole of any gas at standard temperature and pressure. It has been determined that 6.023 \times 10^23 atoms of an element are equal to the average atomic mass of that element.
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Which of the following best describes a metal? Brittle, shiny, and solid Brittle, dull, and low density Malleable, shiny, and ab
yanalaym [24]

Answer : The correct option is, Malleable, shiny, and able to conduct heat or electricity.

Explanation:

Metals : Metals are the elements which can easily loose electrons and forms cations.

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Non-metals : Non-metals are the elements which can easily gain electrons and form an anion.

Properties of non-metals :

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Orlov [11]

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B) the full spectrum of light

Explanation:

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