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3 years ago

Which of the following describes a boiling point?

Chemistry

1 answer:

tatyana61 [14]3 years ago

5 0

Answer:

solid to liquid.

Explanation:

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Read the statement.

chubhunter [2.5K]

The kinetic energy (energy of movement) of the gas particles will increase.

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4 years ago

Which of the following are isoelectronic?

OleMash [197]

Answer:

The correct answer is option C.

Explanation:

Isoelectronic species are those atoms or ions which same number of electrons.But they differ in physical and chemical properties.

Atomic number of nitrogen atom is 7.

$[N]=1s^22s^22p^3$

$[N]^{3-}=1s^22s^22p^6$

Number electron in nitride ions = $N^{3-}=10$

Atomic number of oxygen atom is 8.

$[O]=1s^22s^22p^4$

$[O]^{2-}=1s^22s^22p^6$

Number electron in oxide ions = $O^{2-}=10$

$[Ne]=1s^22s^22p^6$

Number of electrons neon = $Ne=10$

Hence, $N^{3-} , O^{2-} \& Ne$ are isoelectronic.

7 0

4 years ago

The reaction described in Part A required 3.54 L of magnesium chloride. What is the concentration of this magnesium chloride sol

labwork [276]

we need the cholride solution Part B to answer your question

7 0

3 years ago

Where genre originated

olasank [31]

What is this mean ?

8 0

4 years ago

Which piece of evidence would suggest an unknown substance is an ionic compound? it conducts electricity when dissolved in water

LekaFEV [45]

The correct answer is the first option. The piece of evidence would suggest an unknown substance is an ionic compound is that it conducts electricity when dissolved in water. An ionic compound dissociates into ions when in aqueous solution. These ions move freely in the solution and can allow the flow of electricity into the solution.

3 0

3 years ago

Read 2 more answers