All Questions
Tagged with periodic-trends metal
8
questions
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Why is copper a better conductor of electricity than calcium?
How would we compare the electrical conductivity between copper and calcium? I understand that electrical conductivity of a metal is dependent on the number of delocalized electrons for that metal. ...
- 242
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Is strontium more metallic than sodium? If yes then why?
I got an MCQ in my examination, "Which one of the following is more metallic?" and the options were Sr, Na, Be or Aluminium. I know that sodium is more metallic than Be or Al but my mind stuck on ...
- 21
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Why do metals form cations?
metals that have a low number of occupied shells such as lithium and potassium should have a stronger electrostatic attraction to their nuclei, so what causes them to always lose their electrons ...
- 151
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Why is the melting point of magnesium anomalous? [duplicate]
The melting and boiling points for the Group II elements are as follows:
$$\begin{array}{ccc}
\text{Element} & \text{Melting point / }\mathrm{^\circ C} \\
\hline
\ce{Be} & 1289 \\
\ce{Mg} &...
- 1,610
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Bond Type of Lead: Metallic or Network Covalent?
I know that lead is classified as a metal, from its appearance, nonexistent band gap, and its position on the periodic table... etc. However, all of the elements above it (carbon, silicon, germanium, ...
- 1,610
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How does the electron configuration of platinum relate to its stability?
Does platinum's electron configuration, [Xe] 4f14 5d9 6s1, influence its reactivity and stability? Is the electron configuration the primary contributing factor to platinum's relative inertness?
...
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4
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5
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Which has more metallic character: aluminium or magnesium?
Which element has more metallic character - aluminium or magnesium?
I know that metallic character decreases along a period (from left to right) and increases down a group.
Aluminium comes after ...
11
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3
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What is charge density?
For example, Magnesium has a higher charge density compared to Sodium, therefore its metallic lattice is stronger and it has a higher melting point. Does that mean that Magnesium has more protons and ...
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