12 Questions
What is the trend in first and second ionisation energies down the group?
Decreases as atomic radius increases and shielding increases
Why does reactivity increase down Group 2?
Increase in shielding and atomic radius
What is the general equation for a Group 2 metal reacting with water?
M(s) + H2O(l) à M(OH)2(s) + H(g)
Which species is oxidised when a Group 2 metal reacts with water?
M
What are the properties of titanium that make it useful?
Strong, low density, high melting point
Why can't carbon be used to extract titanium from the Earth's crust?
Titanium carbide makes the metal brittle
What defines a metal according to the provided text?
A regular lattice consisting of positively charged ions and delocalised electrons
What is the electronic configuration of Be?
$1s^22s^2$
Explain the trend in atomic radius down Group 2.
The atomic radius increases due to weaker attraction between outer electrons and the nucleus
Which element in Group 2 has the electronic configuration $1s^22s^22p^63s^23p^64s^2$?
Calcium (Ca)
What explains the trend in melting points down Group 2?
Attraction between ions and electrons weakens
Which Group 2 metal is an exception when it comes to the trend in melting points down the group?
Magnesium (Mg)
Test your knowledge about Group 2 metals, particularly Alkaline Earth Metals, and electronic configurations of elements like Beryllium, Magnesium, and Calcium. The quiz covers topics such as crystal structures, metal properties, and electron arrangements.
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