3 years ago

When electrons are lost, a____ion is formed.

Chemistry

2 answers:

kati45 [8]3 years ago

3 0

Answer:

Positive; negative

Explanation:

When electrons are lost, a positive ion is formed. A positive ion is called a cation.

When electrons are gained, a negative ion is formed. A negative ion is called an anion.

Savatey [412]3 years ago

3 0

When electrons are lost a cations are formed

When electrons are gained a anions are formed

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0.28gram of NH3 on decomposition gave 0.25gram of nitrogen and hydrogen. Find the volume of hydrogen evolved at Ntp. (2gram hydr

hodyreva [135]

The volume of H₂ evolved at NTP=0.336 L

<h3>Further explanation</h3>

Reaction

Decomposition of NH₃

2NH₃ ⇒ N₂ + 3H₂

conservation mass : mass reactants=mass product

0.28 NH₃= 0.25 N₂ + 0.03 H₂

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so for 0.03 g :

$\tt \dfrac{0.03}{2}\times 22.4=0.336$

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