Hubble has aided scientists in their understanding of the solar system. Comets and planets are observed by the telescope.
Galaxies that were there when the cosmos was still only 600 million years old have been surveyed by Hubble. Galaxies were thought to have formed when the cosmos had existed for at least the two billion years. The photos from the equipment have aided research into the evolution of galaxies.
Even previously unseen moons surrounding Pluto were found by Hubble. Scientists' understanding of how planets as well as galaxies form has been aided by the telescope.
Therefore, Hubble has aided scientists in their understanding of the solar system. Comets and planets are observed by the telescope.
To know more about Hubble
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Answer:
Explanation:
1 mole of methane = C + H4 = 12 + 4 = 16
32 grams of methane is 32/16 = 2 moles.
1 moles of methane contains 4 moles of hydrogen (CH4). Note the 4 in CH4
2 moles of methane = 8 moles of hydrogen.
H2O has 2 moles of hydrogen
Each mole of water contains 2 moles of hydrogen.
8 moles of hydrogen / 2 moles = 4 moles of water.
Explanation:
electrovalent bond covers single bond.
Covalent bond covers double or more bonds.
Answer:
D
Explanation:
beacause all the elements in period 3 has different valence electrons hence you look at the first element in period 3 is sodium which has a valence electron of 1 when you go across the period to the right their valence electron decreases to be negative
