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Irina-Kira [14]
3 years ago
8

An ice wedge shattering a slab of shale a Chemical Change b Physical Change

Chemistry
1 answer:
Brilliant_brown [7]3 years ago
4 0

Answer:

<u>Physical Change</u>

Explanation:

Its a physical change because it is not changing its molecular structure it is only changing the shape of the shale.

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Sort the following elements in order from least reactive to most reactive.
SVEN [57.7K]

Sorting the chemical elements in order from least reactive to most reactive, we have:

1. Fluorine (F).

2. Arsenic (As).

3. Antimony (Sb).

4. Silicon (S).

<u>Given the following chemical elements:</u>

  • Antimony (Sb).
  • Silicon (S).
  • Fluorine (F).
  • Arsenic (As).

Reactivity can be defined as a chemical property which determines how readily a chemical element <u>bonds</u> with other chemical elements, in order to form a new chemical compound.

Generally, the ability of a chemical element to bond with other chemical elements is largely (highly) dependent on the number of valence electrons it has in the outermost shell of its atomic nucleus.

As a general rule, chemical elements that are having <u>fewer</u> number of valence electrons are the most reactive while those having <u>higher</u> valence electrons are least reactive.

Also, chemical reactivity <u>decreases</u> down a group on the periodic table.

Based on the periodic table, the valency for the given chemical elements are:

  • <u>Antimony (Sb):</u> 5 valence electrons.
  • <u>Silicon (S):</u> 4 valence electrons.
  • <u>Fluorine (F):</u> 7 valence electrons.
  • <u>Arsenic (As):</u> 5 valence electrons.

In conclusion, sorting the chemical elements in order from least reactive to most reactive, we have:

1. Fluorine (F).

2. Arsenic (As).

3. Antimony (Sb).

4. Silicon (S).

Find more information: brainly.com/question/18214726

4 0
2 years ago
PLEASE HELP ASAP!!!!
Kruka [31]
The answer is A! Heat energy is thermal energy. To remember all Energy use M.E.L.T.S!

M- Mechanical energy
E- Electrical energy
L- Light energy
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8 0
3 years ago
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Which of the following would be produced when two or more different atoms bond chemically?
ExtremeBDS [4]

Answer:

When two or more atoms chemically bond with each other, the resultant chemical structure is a molecule. The familiar water molecule, H2O, consists of two hydrogen atoms and one oxygen atom; these bond together to form water,  irdk but it's either C or D

Explanation:

hope this helps have a good rest of your day :) ❤

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How many grams are in 2.12 x 10-2 moles of calcium phosphate, Ca3(PO3)2?
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Answer:19.2

Explanation: if see you have to times it and show it with times

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What happens when Mg forms an ionic bond?
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Answer:

option 1st is correct gains 1 electron and becomes a-1.

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