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suter [353]
3 years ago
5

[(1.7x10^6) / (2.62x10^5)]+7.18

Chemistry
1 answer:
egoroff_w [7]3 years ago
4 0
Answer is 13.668! Or in scientific notation it would be .13668 x 10^2
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What was one idea Dalton taught about atoms
gogolik [260]

The main points of Dalton's atomic theory, as it eventually developed, are: Elements are made of extremely small particles called atoms. Atoms of a given element are identical in size, mass and other properties; atoms of different elements differ in size, mass and other properties.

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How much of the original amount of an isotope is present after a period of four half lives
vfiekz [6]

After 2 half-lives there will be 25% (1/4th) of the original isotope, and 75% (3/4 th) of the decay product

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How is a shadow created during a lunar or solar eclipse?
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3 years ago
an animal refuge park has 120 gazelles.If the population increases by 5% in one year, how manu gazells will the park have next y
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8 0
3 years ago
BRAINLIESTTT ASAP!! PLEASE HELP ME :)
AlladinOne [14]

Answer : False, there will be two lithium and one oxygen atoms in a unit molecular structure of lithium oxide.

Explanation:

Electronic configuration of lithium is :

Li=1s^2s^1

In order to attain stable electronic configuration it will loose an electron and form positively charge cation.

Li^+=1s^22s^0

The electronic configuration of oxygen is:

O=1s^22s^22p^4

Oxygen being second most electronegative atom requires two electrons to attain noble gas configuration stability and form negatively charge ion with 2- charge.:

O^{2-}=1s^22s^22p^6

When two atom of lithium and oxygen comes together , one electron from each lithium atom get transferred to an oxygen atom which results in formation of lithium oxide.

2Li^++O^{2-}\rightarrow Li_2O

4 0
3 years ago
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