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Otrada [13]
3 years ago
13

If a car weighs 300 kg, and gravity causes it to accelerate downward at 9.8 m/s2. What is the gravitational force on the

Chemistry
1 answer:
JulsSmile [24]3 years ago
8 0

Answer:

gravity pulls

Explanation:

gravity pulls you down

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How does the Coriolis effect influence the movement of surface waters?
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Hydrogen gas caught fire quickly in the Hindenberg accident. In comparison, neon gas and helium gas are nonreactive. This is why
Phoenix [80]

Answer:

Helium and Neon have similar chemical properties because both of them completely fill the outer shell of their atoms' electrons, so there is nothing to share with other atoms, neither with the same element nor with any other element.

Explanation:  

Helium and Neon are both  noble gases . As elements react, their atoms, by losing, acquiring, or sharing electrons, complete their outer shells. Noble gas atoms already have full outer shells, so there is no tendency for them to lose, gain, or share electrons. There are incomplete outer shells of atoms of group 1 and 7 elements (so they are reactive)

<u>Chemical properties of HELIUM and NEON -: </u>

  • In group 8(or 0) of the periodic table, on the far right side, the Noble Gases are contained. Helium, neon, argon, krypton, xenon and radon are their names.
  • They are extremely colourless and unreactive.
  • They do not form bonds, so they still remain as single (monatomic) atoms.
  • There is very little chemical reactivity in them.

Hence, helium and neon have similar chemical properties as they are the most stable due to having the maximum number of valence electrons their outer shell can hold.

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