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3 years ago

WILL MARK BRAINLIEST _________ are the outermost electrons of an atom

Chemistry

2 answers:

Minchanka [31]3 years ago

5 0

Valence shell :) is the outermost electrons of an atom

anastassius [24]3 years ago

3 0

Answer:

valence shell, and the electrons found in it are called valence electrons.

Explanation: i think hope this helps u

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A qué llamamos fluido en reposo

Svetach [21]

Answer:

Lo llamas hidrostática

Explanation:

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3 years ago

Read 2 more answers

What are other portals of entry besides needlesticks?

aivan3 [116]

Answer:

Inhalation (via the respiratory tract)Absorption (via mucous membranes such as the eyes) Ingestion (via the gastrointestinal tract)

Explanation:

The opening where an infectious disease enters the host's body such as mucus membranes, open wounds, or tubes inserted in body cavities like urinary catheters or feeding tubes.

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2 years ago

If 0.2 g of nitrobenzene are added to 10.9 g of naphthalene, calculate the molality of the solution. (given: molar mass of nitro

In-s [12.5K]

Molality is defined as 1 mole of a solute in 1 kg of solvent.

Molality=

$\frac{Number of moles of solute}{Mass of solvent in kg}$

Number of moles of solute, n=

$\frac{Given mass of the substance}{Molar mass of the substance}$

Given mass of the nitrobenzene=0.2 g

Molar mass of the substance= 123.06 g mol⁻¹

Number of moles of nitrobenzene,

$n= \frac{0.2 }{123.06}$

Number of moles of nitrobenzene, n= 0.0016 mol

Mass of 10.9 g of naphthalene in kg=0.0109

$Molality= \frac{0.0016}{0.0109 }$

Molality= 0.146 m

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3 years ago

WILL MARK BRAINLY

DENIUS [597]

Answer:

its B i guess

Explanation:

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3 years ago

How many mols are in 15 of mg (0H) 2

SpyIntel [72]

The answer is 0.0171468704904. We assume you are converting between moles Mg(OH)2 and gram. This compound is also known as Magnesium Hydroxide. 1 mole<span> is equal to </span>1 moles<span> Mg(OH)2, or 58.31968 grams.</span>

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3 years ago