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olga nikolaevna [1]
3 years ago
15

Please help I'm begging you I'll give so much brainliest​

Chemistry
1 answer:
slava [35]3 years ago
6 0
H2O (water) has 2 hydrogen atoms and 1 oxygen atom.
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Which atom in the ground state has an outermost electron with the most energy?(1) Cs (3) Li(2) K (4) Na
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<span>The answer is Cs, no. 2.
Cesium (Cs) is an element which has an outermost electron with most energy in the ground state.</span> 
 Cesium (Cs), Lithium (Li), Potassium (K), and Sodium (Na) are elements which belong to the group 1 family, the alkali metals. Each has a valance of 1 and wants to release/ lose this e- (electron) to be isoelectronic with the nearest noble gas. Based on the periodic trends, an atom’s radii will raise going down a group.  


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Two technicians are discussing the IAT sensor. Technician A says that the IAT sensor is more important to the operation of the e
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Answer:

Technician B.

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Composition variable
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c. Substance

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