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bagirrra123 [75]
2 years ago
9

Please help thank you (15 points)

Chemistry
1 answer:
Eva8 [605]2 years ago
6 0

Answer:

D. The sun has less gravitational pull on Pluto because it is farther away.

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Help! ill give brainliest
ArbitrLikvidat [17]

Answer:

Option B

Explanation:

Magnesium is an alkali earth metal and chlorine is a nonmetal. Due to this, and their differences in electronegativity, the elements form an ionic bond. Since magnesium has two valence electrons, it will give them up to two chlorine atoms (which has 7 valence electrons), which needs them to complete its octet. From this, magnesium forms a cation, and will have the ion formula Mg(2+). The two chlorine atoms form anions, and will have the ion formula Cl(1-).

Terms:

  • Cation: a positively charged ion
  • Anion: a negatively charge ion.
  • Electronegativity: the tendency of an atom in a molecule to attract the shared pair of electrons towards itself.
7 0
2 years ago
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Which of the following is an important application of hydrogen bonding
Andrews [41]

Hydrogen bonding is important because it is crucial to all life on Earth. Here are three reasons why hydrogen bonding is important. DNA has a double-helix structure because hydrogen bonds hold together the base pairs in the middle. Without hydrogen bonds, DNA would have to exist as a different structure.

6 0
3 years ago
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Pregnant women are often cautioned against cleaning cat litter boxes. This is because Toxoplasma, an intestinal parasite of cats
Kryger [21]

Answer:

A communicable disease

Explanation:

Diseases that can be transferred are known as communicable diseases.

5 0
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For each pair of gases, select one that most likely has the highest rate of effusion. Use the periodic table if necessary
brilliants [131]
You will do the highest one i think
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Metallic compounds are malleable. Which use of metallic bonds best represents this trait?
dem82 [27]

<u><em>In metallic bonding, the valence electrons are free to move throughout the metal structure. Metallic bonding is the electrostatic attraction between the metal atoms or ions and the delocalized electrons. This is why atoms or layers are allowed to slide past each other, resulting in the characteristic properties of malleability and ductility.</em></u>

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