3 years ago

An ion from a given element has 38 protons and 36 electrons what is the charge

1 answer:

3 0

For a neutral atom, the number of positive protons is equal to the number of negative electrons and the charge is zero.

For this question, we see that the number of protons exceeds the number of electrons by 2, which means that this ion in a positively charged charged ion with charge of +2.

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The use of uranium-238 to determine the age of a geological formation is a beneficial use of

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Answer:

4- radioactive isotopes

Explanation:

I don't remember exactly but this question was on the regents

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2 years ago

Suppose you are performing a gas-producing reaction with an unknown metal, X . X ( s ) + 2 H C l ( a q ) ⟶ X C l 2 ( a q ) + H 2

maksim [4K]

Answer:

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2 years ago

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Galina-37 [17]

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2 years ago

Which of the following statements best describes the current atomic theory

Oksana_A [137]

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2 years ago

Ammonia, nh3, for fertilizer is made by causing hydrogen and nitrogen to react at high temperature and pressure. How many moles

charle [14.2K]

Answer:

$0.30molNH_3$

Explanation:

Hello there!

In this case, since the reaction for the formation of ammonia is:

$3H_2+N_2\rightarrow 2NH_3$

We can evidence the 1:2 mole ratio of nitrogen gas to ammonia; therefore, the appropriate stoichiometric setup for the calculation of the moles of the latter turns out to be:

$0.15molN_2*\frac{2molNH_3}{1molN_2}$

And the result is:

$0.30molNH_3$

Best regards!

7 0

2 years ago