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Rama09 [41]
3 years ago
15

To make a Br2 bond, how many total valence electrons are required?

Chemistry
1 answer:
lapo4ka [179]3 years ago
6 0

Answer:

2. 14

Explanation:

To form Br₂ bond, a total of 14 electrons are needed.

Bromine is an element in the 7th group on the periodic table. It has 7 valence electrons.

  • In forming the bromine gas, the two atoms of bromine shares 7 electrons each.
  • These electrons are from their outermost shell.
  • The outermost shell is the valence shell.
  • So, two atoms donating 7 electrons gives 14 electrons.
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Sort the metric system prefixes into the correct order, smallest to largest.
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Answer:

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3 years ago
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Mercury has a density of 13.56 g/ml. What is the volume in L of 52 kg of mercury?
sweet [91]

Hello!

Given the density of mercury being 13.57 g/mL, and the mass of 52 kilograms, we need to find the volume.

To find the volume, we need to divide mass by density (V = m/d).

Notice that you are given 52 kilograms, but not grams. To convert kilograms to grams, you need to multiply it by 1000.

52 x 1000 = 52000 grams

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4 years ago
1.4 Explain why it is important to support individuals to challenge information about services that may present a barrier to par
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4 years ago
Which two trends increase when one moves across a period from left to right?
Sophie [7]

Answer is: a) ionization energy and electronegativity.

1) The ionization energy (Ei) is the minimum amount of energy required to remove the valence electron, when element lose electrons, oxidation number of element grows (oxidation process).  

Barium, potassium and arsenic are metals (easily lost valence electrons), chlorine is nonmetal (easily gain electrons).

Alkaline metals (far left in Periodic table) have lowest ionizations energy and easy remove valence electrons (one electron), earth alkaline metals (next right to alkaline metals) have higher ionization energy than alkaline metals, because they have two valence electrons.  

Nonmetals are far right in the main group and they have highest ionization energy, because they have many valence electrons.  

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6 0
3 years ago
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scZoUnD [109]

Answer:

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Assets = Liabilities + Shareholder's Equity.

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