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andreyandreev [35.5K]
3 years ago
8

How to draw lewis dot structure of BH2-

Chemistry
1 answer:
frosja888 [35]3 years ago
6 0
I am attaching a picture cause I cannot write it directly

Hope it helps
Plz mark as brainliest
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An atom that loses an electron is called a?
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It’s called an ion . An atom that loses electron is called an ion
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2 years ago
Conduction is a method of energy transfer within Earth’s systems. Describe an example of conduction, including where the energy
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Conduction is the transfer of thermal energy from one molecule to another within an object. Conduction also happens between two objects in direct contact if they have different temperatures. The hotter molecule vibrates because of the added heat. This vibration and movement transfer the energy to the surrounding molecules. The transfer of energy continues until all the molecules have the same temperature.

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1. Calculate the average atomic mass of iron if its abundance in nature is 15%-iron-55 and
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The average atomic mass of iron : 55.85 amu

<h3>Further explanation </h3>

The elements in nature have several types of isotopes

Isotopes are atoms whose no-atom has the same number of protons while still having a different number of neutrons.

An atomic mass unit = amu is a r<em>elative atomic mass of 1/12 the mass of an atom of carbon-12. </em>

The 'amu' unit has now been replaced with a unit of 'u' only

Atomic mass is the average atomic mass of all its isotopes

atomic mass X = mass isotope 1 . % + mass isotope 2.% ...

The average atomic mass of iron

\tt =0.15\times 55+0.85\times 56\\\\=\boxed{\bold{55.85~amu}}

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3 years ago
What type of relationship will mass and added energy have if
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The zebra mussel is a shellfish native to Europe. During the early 1900's, it was accidentally brought to the United States in t
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<span>They will compete with native shellfish and clams and hurt their populations.

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