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ELEN [110]
3 years ago
15

Which of the following is a characteristic of an ionic bond?

Biology
2 answers:
scoray [572]3 years ago
4 0
D. An element donates an electron to another element.
aivan3 [116]3 years ago
4 0

Answer: Option D.

Explanation:

An ionic bond is defined as a chemical bond forms when two oppositely charged ions undergo electrostatic attraction. Ionic bonds always formed between a metal (cation), and a nonmetal (an anion).

Ionic bonds are formed when a cation (metal) donates an electron to anion (nonmetal). for example formation of Sodium Fluoride (NaF), sodium (cation) with atomic number eleven is having one valence electron in its outer orbit and fluoride (anion) with atomic number nine require one atom to complete its orbit, so the sodium atoms transfer one electrons to fluoride and leads to the formation of an ionic compound.

Hence, the correct option is D.

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What is the real meaning of this questions

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2 years ago
Human caused reductions of biodiversity, include pollution, invasive species, and overexploitation.
Andrew [12]

Answer:

True

Explanation:

Development, together with globalization, drove severe changes at a global level. The natural and original environments suffered from these effects and still are.

Human beings have constantly been altering the natural ecosystems and causing irreparable damages to nature. For many decades, development involved society and technology advance over new areas unpopulated by humans.

<u>Some</u> of the principal human activities responsible for biodiversity loss are

  • the uncontrolled use of unrenewable resources,
  • overexploitation of renewable resources;
  • land destruction for the mining industry, farming and cattle industry, buildings, and other infrastructures;
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All of them involving

  • deforestation and fragmentation of natural landscapes;
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With globalization, transport around the world became normal. And when traveling around the world, new species are intentionally or unintentionally transported too. When these species, of animal or vegetable origin, get established in a new area, they overgrow to the point of turning invasive.

Invasive species are uncontrollable and cause severe damage in native endemic species by competing for resources. The whole ecosystem structure changes.

But there are some background glitches in the system that are the principal responsible for all the mentioned activities. Some important aspects are lacking

  • The respect for nature,
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If, as a society, we lack these aspects, the possibilities of changing our impact on nature are far away.  

6 0
3 years ago
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Answer:

Fungi reproduce asexually by fragmentation, budding, or producing spores. Fragments of hyphae can grow new colonies. Mycelial fragmentation occurs when a fungal mycelium separates into pieces with each component growing into a separate mycelium. Somatic cells in yeast form buds.

5 0
2 years ago
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2 years ago
Activity NO
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Answer:

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