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Aloiza [94]
3 years ago
11

The first person who suggested that matter was made up of atoms was the Greek philosopher ____________________ .

Chemistry
2 answers:
abruzzese [7]3 years ago
4 0

Answer:

Democritus

Explanation:

Bond [772]3 years ago
4 0

Answer:

Democritus of Abdera

Explanation:

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I think the answer is <span>B. The sun's gravitational pull on Planet A is equal to its gravitational pull on Planet B because distance does not affect gravity.

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Only one molecule have <u>sp2 </u>hybridization on central atom and that is <u>SO₂</u>.

<u>XeCl₂</u> have <u>sp3d </u>hybridization.

<u>OCl₂</u> have <u>sp3 </u>hybridization.

<u>HCN </u>have <u>sp </u>hybridization.

Hybridization is defined as the concept of mixing two atomic orbitals to give rise to a new type of hybridized orbitals.

Hybridization intermixing usually results in the formation of hybrid orbitals having entirely different energies, shapes, etc.

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7 0
1 year ago
What is the electronegativity difference for a bond between potassium and iodine? A. 3.3 B. 4.6 C. 0.4 D. 1.7
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Iodine has an electronegativity of 2.5, and potassium has an electronegativity of 0.8, so the difference is:
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The reaction of hemoglobin with oxygen can be written as follows. hb + o2 â hbo2 if the amount of oxygen available to the blood
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Oxygen is needed to carry out a lot of biochemical processes in the body. If the amount of oxygen available to the blood decreases significantly a lot of things will go wrong in the body. For instance, lack of adequate oxygen will lead to the death of neurons which will eventually leads to brain cells death and irreparable brain damage. Oxygen is also needed for cellular respiration, without respiration, there will not be oxygen for carrying out various cellular activities and this will result into death. Oxygen deprivation will also leads to difficulty in breathing and other associated problems.
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How is a molecule of hydrogen formed from two hydrogen atoms?
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A molecule of hydrogen is formed by two hydrogen atoms, that is a fact.

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That's the basics of both the H-H bond and all the other diatomic bonds as well. 
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