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3 years ago

¿Por qué se unen los átomos?

2 answers:

7 0

(I used google translate since I don’t know Spanish so I hope this helps). Los átomos se unen para formar moléculas debido a sus electrones. Los electrones pueden unir (o unir) átomos juntos de dos maneras principales. Cuando dos átomos comparten electrones entre ellos, están unidos (unidos) por ese intercambio. Estos se llaman enlaces covalentes.

IRISSAK [1]3 years ago

6 0

Pls post it in english , so that i can understand...

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What is the density of aluminum in grams per cubic centimeter?

oksano4ka [1.4K]

Answer:

Density of aluminum is 2.699 g/cm^3

Explanation:

Density of a given material can be defined as the mass of the substance present in a unit volume. Mathematically it can be expressed as:

$Density = \frac{Mass}{Volume}$

Units: g/cm^3 or kg/m^3

Aluminum (Al) is one the lightest element and is known to have a density of 2.699 g/cm^3

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2 years ago

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3 years ago

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In 0.4 mole of H2S, how many atoms of H are there?

Debora [2.8K]

Answer:

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2 years ago

What is the result at the end of meiosis II?

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Answer:

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2 years ago

Can someone help me please

MArishka [77]

Answer:

Group 4A (or IVA) of the periodic table includes the nonmetal carbon (C), the metalloids silicon (Si) and germanium (Ge), the metals tin (Sn) and lead (Pb), and the yet-unnamed artificially-produced element ununquadium (Uuq).

The Group 4A elements have four valence electrons in their highest-energy orbitals (ns2np2). Carbon and silicon can form ionic compounds by gaining four electrons, forming the carbide anion (C4-) and silicide anion (Si4-), but they more frequently form compounds through covalent bonding. Tin and lead can lose either their outermost p electrons to form 2+ charges (Sn2+, the stannous ion, and Pb2+, the plumbous ion) or their outermost s and p electrons to form 4+ charges (Sn4+, the stannic ion, and Pb4+, the plumbic ion).

Carbon (C, Z=6).

Carbon is most familiar as a black solid is graphite, coal, and charcoal, or as the hard, crystalline diamond form. The name is derived from the Latin word for charcoal, carbo. It is found in the Earth's crust at a concentration of 480 ppm, making it the 15th most abundant element. It is found in form of calcium carbonate, CaCO3, in minerals such as limestone, marble, and dolomite (a mixture of calcium and

Explanation:

THIS ALL I KNOW

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3 0

2 years ago