Sulfur minerals can frequently incorporate thorium as an impurity when crystalizing. 11. What is the CONDENSED electron configuration of Th? 12. What type of element is Th? (Hint: by location on the Periodic Table !)

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A: The element given is Ga and the ions are Ga+ and Ga+3. The atomic number of element Ga is 31.

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A: Hydrogen is the element having atomic number 1.  It has a special place in the periodic table.

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Q: Using its electron configuration, explain why iron (Fe) is a multivalent metal with charges +2 and…

A: Using its electron configuration, explain why iron (Fe) is a multivalent metal with charges +2 and…

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Q: 20. Which arrangement is in the correct order of decreasing radii? A) As > Br > K* B) F> Mg > Cs C)…

A: the distance from nucleus to outermost electron is called radii of atom.

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Q: Why are elements at the extreme left and extreme right the most reactive?

A: Given: The elements at the extreme left and extreme right are the most reactive elements.

Q: 1.Give an example of a one S block element whose valance electrons are in 4th principal quantum…

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Q: Decide which element probably forms a compound with chlorine that has a chemical formula most and…

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Q: 0OMEA Ot the elements below iS Smaller than Ca but larger than As ? Br P Mn what is the valence…

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