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igomit [66]
3 years ago
6

¿Cómo se llama el grupo IIA de la tabla periódica?

Chemistry
1 answer:
Verdich [7]3 years ago
8 0

Answer:

los metales alcalinotérreos: berilio (Be), magnesio (Mg), calcio (Ca), estroncio (Sr), bario (Ba) y radio (Ra).

o simplemente llamado grupo 2A

Explanation:

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vlabodo [156]

Answer:

C. Pulley.

Explanation:

8 0
3 years ago
Indicate the charge carried by the following atomic particles:
Dovator [93]
Answer:
A. Protons are positive and carry a charge of +1
B. Neutrons are neutral so carry a charge of 0
C. Electrons are negative and carry a charge of -1
5 0
2 years ago
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How many molecules of ammonia are formed in the following equation: N2+3H2→2NH3
Katena32 [7]

Answer:

  • <u>two molecules of ammonia are formed by the reaction of one nitrogen and three hydrogen molecules.</u>

Explanation:

The  balanced chemical equation provides information on:

  • <u>Reactants</u>: those are the compounds that appear of the left side of the equation, each with its chemical formula.

  • <u>Products</u>: those are the compounds that appear on the right side of the equation, again, each with its chemical formula.

  • <u>Ratio</u>: the coefficients of each compound (the number to the left of the chemical formula) represent the ratio of the number of molecules that react and are formed.

In the given equation you have:

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  • The coefficients are 1 for nitrogen, 3 for hydrogen, and 2 for ammonia. Hence, 2 molecules of ammonia are formed by the reaction of 1 molecule of nitrogen and 3 molecules of hydrogen.
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4 years ago
Can someone find from which website this test is?
Nadusha1986 [10]

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Try quizlet, they have everything on there

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3 years ago
Determine the geometry for how two acetonitrile molecules would interact with each other
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<span>Acetonitrile molecules are mainly used in lithium batteries as a solvent, and is commonly found in the air from vehicle exhaust.

The geometry on</span><span> how two acetonitrile molecules would interact with each other is as follows:

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-------  C========  N

The carbon atom has a single bond to the atom on its left side while having a triple bond on the nitrogen atom on the right side.
       </span>
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