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GuDViN [60]
3 years ago
15

How to determine whether an element is paramagnetic or diamagnetic?

Chemistry
1 answer:
givi [52]3 years ago
7 0
To determine whether an element is paramagnetic or diamagnetic, you need to examine the electron configuration of the element. If it has unpaired electrons, then the substance is paramagnetic. If the electrons are paired, then it is diamagnetic.
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I need helpppp plsss
dedylja [7]

Answer:

Blank 1 - 2

Blank 2 - 4

Blank 3 - 3

Explanation:

The unbalanced chemical equation given in the question is as follows:

Au2O3 → Au + O2

To balance a chemical equation, the number of atoms of each element on both sides of the equation (reactants and product) must be the same. Based on this explanation, the balanced chemical equation is as follows:

2Au2O3 → 4Au + 3O2

- 4 atoms of gold (Au) on both sides

- 6 atoms of oxygen on both sides

Hence, based on the question, blank 1, 2 and 3 are 2, 4 and 3 respectively.

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4 years ago
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How could an alpha particle pass straight through the metal foil and strike the center of the phosphor screen on the other side
djverab [1.8K]
I think you refer to  Rutherford's Gold Foil Experiment alpha particles pass through because of the enormous amount of empty space inside the atom. 


>>>more details here<<<
to have its trajectory affected the alpha particle has to pass "near" the nucleus to interact with the positive charge of the nucleus.
the fact is that internally the gold atoms are basically empty space and the nucleus represents only a small portion of the entire volume. only few alpha particles pass near the nucleus 

picture added><><**><>< below}{<{>} 
-gio-chealafi- hope this helps you, have a nice rest of the day. ily all!!

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