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djverab [1.8K]
3 years ago
6

Is the following sentence true or false? The radius of an atom can be measured directly.

Chemistry
1 answer:
makkiz [27]3 years ago
3 0
The radius of the atom cannot be measured directly because it does not have a definite edge to the electrons cloud
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Use the measurements in the table to determine which unidentified metal has the highest density.
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ANSWER: A



EXPLANATION:

THE FORMULA FOR DENSITY IS MASS DIVIDED BY VOLUME.


D= M/V


So divide the mass by the volume.

For A, 122 divided by 10.5 is 11.62

For B, 132 divided by 14.2 is 9.295

For C, 115 divided by 16.1 is 7.143

For D, 126 divided by 12.7 is 9.921


A IS THE ANSWER BECAUSE ITS THE LARGEST AMOUNG THE OTHERS.
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4 years ago
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☁️ Answer ☁️

Option 1: When dissolved, sugar molecules have more opportunities to bond with positive-negative water molecules. Therefore, sugar dissolves faster than salt, because its component molecules are more soluble in water.

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Option 2: Sugar can dissolve easier than salt because when you add 8 spoons of salt into water the salt already starts to stay in the bottom of the cup. And, when you add 30 spoons into water the sugar just starts to stay in the bottom of the cup. It’s almost the same.

Hope it helps.

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4 0
3 years ago
Cual es el carbono de valencia libre
Ilia_Sergeevich [38]

Answer:

Explanation:

1) Se escoge la cadena con el mayor número de átomos de carbono. 2) Cuando hay dos cadenas posibles con el mismo número de átomos de carbono, se elige la que contenga el mayor número de triples ligaduras posibles. ... El átomo de carbono con la triple valencia libre se numera como 1.

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3 years ago
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Magnesium is the most reactive element. it is higher than the other elements (Fe, Pb, Zn) in the electrochemical series

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3 years ago
What is 50 plus 50vhvvhygygyfyftftfffffffrdrdrdrdrdr?
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The answer would b 100<span>vhvvhygygyfyftftfffffffrdrdrdrdrdr</span>
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4 years ago
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