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Karo-lina-s [1.5K]
2 years ago
13

5 examples of Earth Surface .​

Chemistry
2 answers:
Solnce55 [7]2 years ago
6 0

Answer:

<em>lithosphere</em><em> </em><em>(land)</em>

<em>hydrosphere (water)</em>

<em>biosphere</em><em> </em><em>(living things)</em>

<em>atmosphere (air).</em>

Ganezh [65]2 years ago
6 0

Answer:

Hi , I don’t know what you mean by examples, but by example I wrote down main surfaces.

Explanation:

Everything in Earth's system can be placed into one of four major subsystems: land, water, living things, or air. These four subsystems are called "spheres." Specifically, they are the "lithosphere" (land), "hydrosphere" (water), "biosphere" (living things), and "atmosphere" (air).

A landform is a feature on the Earth's surface that is part of the terrain. Mountains, hills, plateaus, and plains are the four major types of landforms. Minor landforms include buttes, canyons, valleys, and basins. Tectonic plate movement under the Earth can create landforms by pushing up mountains and hills.

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Which type of chemical bond involves the exchange of electrons
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Answer:

Ionic or Electrovalent Bonding

Explanation:

There are primarily two categories of bonding between chemical entities. We have; Ionic Bonding and Covalent Bonding.

Ionic bonding or electrovalent bonding is the complete transfer of valence electron(s) between atoms. There is the transfer of electron from typically a metal to a non metal.

Covalent Bonding however involves the sharing of electrons between atoms. Depending on whuch atoms provide the electrons, it can be ordinary covalent oor coordinate covelent bond.

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My teacher is grading this soon can someone help me ASAP!
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10. You demonstrated the difference in density of the two objects. It is a physical property.

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A. 5/6 g/ml

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2 years ago
What is the mass, in grams, of a sample of 6.98 × 1024 atoms of magnesium (Mg)?
monitta
N=6.98*10²⁴
Nₐ=6.022*10²³ mol⁻¹

n(Mg)=N/Nₐ

m(Mg)=n(Mg)M(Mg)=M(Mg)N/Nₐ

m(Mg)=24.3g/mol*6.98*10²⁴/(6.022*10²³mol⁻¹)=281.7 g
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