Answer:
the number of protons is called the atomic number
hope it helps you buddy
Answer:
they have delocolised electrons which can carry electrical charges through the metals.
Explanation:
Answer:
Explanation:
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Answer:
Water molecules are polar, so they form hydrogen bonds. This gives water unique properties, such as a relatively high boiling point, high specific heat, cohesion, adhesion and density.
<u>EXPLANATION</u> :
<em>So it is unusual for water to be a liquid at room temperature! Water is liquid at room temperature so it's able to move around quicker than it is as solid, enabling the molecules to form fewer hydrogen bonds resulting in the molecules being packed more closely together.</em>
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Answer:
Explanation:
The second line in the Pfund series corresponds to a transition from n = 7 to n = 5.
To calculate the wavelength of the transition, we can use the Rydberg equation:
where
If n₁ = 5 and n₂ = 7
