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AVprozaik [17]
3 years ago
13

If you wanted to change the polarity of hydrogen bromide (HBr) by substituting

Chemistry
1 answer:
Tcecarenko [31]3 years ago
7 0
Chlorine. Electronegativity generally increases up and across the periodic table
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MgSO3 spell out full name of compound
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Magnesium sulfite is the magnesium salt of sulfurous acid with the formula MgSO 3. Its most common hydrated form has 6 water molecules making it a hexahydrate, MgSO 3·6H 2O.



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If we place the like poles of two magnets facing each other what will happen?
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3 years ago
Any zero in a measurement is always significant <br><br> True <br> Or <br> False
weqwewe [10]

Answer:

False

Explanation:

A significant number is a number that is used to express the accuracy in a measurement. There are some rules that binds the identification of significant figures when reporting a scientific measurement.

  • All non-zero numbers are significant
  • Zeros in between two digits are significant.
  • Zeros to the right of the decimal are significant.
  • Leading zeros are just place holders and are not significant.
  • Trailing zero in a whole number with decimal is significant
  • Trailing zero without a decimal is not significant.

source: http://ccnmtl.columbia.edu/projects/mmt/frontiers/web/chapter_5/6665.html

We can see that not all zeros in a measurement is significant. For example, 540 has 2 significant numbers because the zero is not significant but 540.2 has 4 significant numbers.

3 0
3 years ago
Why is there an attraction between the two ions in this chemical bond?
ladessa [460]

<u>Answer:</u>

<u>A metallic bond is a force of attraction between charged metal ions and the electrons that are in the delocalized bond, which covers the assembly of ions. A covalent bond is the force of attraction between the nuclei of atoms, and the electrons shared between them. </u>

<u />

<u>Explanation:</u>

<u> A chemical bond is a lasting attraction between atoms, ions or molecules that enables the formation of chemical compounds. The bond can be generated by electrostatic attraction between charged ions (for example, ionic bonds) or by electron sharing (for example, covalent bonds). </u>

I hope this helps you :)

8 0
3 years ago
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