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Setler79 [48]
3 years ago
9

I got 5min will mark brainliest ​

Chemistry
2 answers:
AfilCa [17]3 years ago
7 0

Answer:

The answer is to the question is D

ioda3 years ago
4 0

Answer:

The answer is D

4 {s}^{2} 3 {d}^{10}

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Name at least four other gases in the atmosphere besides oxygen and nitrogen
nikitadnepr [17]
Carbon dioxide (CO2)
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8 0
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What is formed when hydrobromic acid, hbr, and calcium hydroxide, ca(oh)2, are combined?
Lorico [155]

This is an acid – base reaction and this always result a salt and water in a neutralization reaction. <span>

The salt that is formed will be calcium bromide (calcium is located in group 2 so calcium bromide has a formula of CaBr2) 

so essentially we got:

HBr + Ca(OH)2 ------> CaBr2 + H2O </span>

balancing the elements: <span>

<span>2HBr(aq) + Ca(OH)2(aq) --------> CaBr2(aq) + 2H2O(l)</span></span>

6 0
3 years ago
Name any ten trainings that provide the opportunity of foreign employment​
Alisiya [41]

Answer:

• Abogado

• Administrador o conservacionista de campo

• Agrícola o agrónomo

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• Asistente de investigación

• Astrónomo

• Bioquímico

• Científico animal

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• Científico de suelo

• Consejero vocacional

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• Meteorólogo

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• Terapeuta recreativo

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• Técnico científico de cualquiera de las siguientes disciplinas: ciencias agrícolas, astronomía, biología, química, ingeniería, silvicultura, geología, geofísica, meteorología o física

Explanation:

4 0
2 years ago
Why doesnt iron burst into flames when it rusts
Katarina [22]
Rust does not have the properties to catch onto flames. However, if you light it on fire, then it would probably catch in flames but not instantly and will not continue to burn unless you have soaked it in oil or flammable object or substance. :) Hope this helps! 
3 0
3 years ago
The element krypton (symbol: Kr) has several radioactive isotopes. Here
Dovator [93]

Answer:

Kr-81 is most stable because of its high half lige and kr-73 is the most radioactive because of its least half life

Explanation:

Stability is directly proportional to half life of a reaction

3 0
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