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Lavoisier, Dobereiner, Newlands, Mendeleev, and Moseley

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9y ago

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How did scientists discovering protons and neutrons help them to place elements in their correct order and group?

By discovering the elements proton number, it became easier for scientists because the elements had similar properties. And they could arrange it by increasing proton number, valence electrons or electronic configuration.


What would be the correct formula for sodium bromate considering that chlorine and bromine are in the same family in the periodic table?

The correct formula for sodium bromate would be NaBrO3. It is formed from sodium (Na), bromine (Br), and oxygen (O), following the typical valency of elements in the same family on the periodic table.


Hydrogen hydroxide formula?

It is LiOH with a lower case "i" Li represents Lithium in the periodic table :)


Is this a run-on or comma splice by the 1970s scientists have accepted the idea of moving continents today geologists refer to this movement as a plate tectonics.?

This is a run-on sentence because two independent clauses ("By the 1970s scientists have accepted the idea of moving continents" and "Today geologists refer to this movement as plate tectonics") are connected without proper punctuation or conjunction. To correct it, you could separate the clauses into two sentences or use a semicolon to connect them.


How many electrons are in the outer shell of Bromine?

5 electronsThe correct answer to this question is in fact 7 electrons not 5. See attached link.www.chem4kids.com/files/elements/035_shells.html

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44 is the correct answer


Ten historical events in correct chronological order?

Anonymously


What is the correct chronological order for European settlements in south Carolina?

4,1,3,2


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To provide the correct chronological order of presidents, I would need to know which specific presidents you are referring to. Please list the names of the presidents you'd like me to arrange chronologically.


How many elements are in the periodic table as of 2012?

okay, so people commonly ask about the periodic table. The truth is scientists fought over this, so this answer may vary but, honestly there are 115-118 elements if you put any of those numbers you are correct.


What is the correct chronological order of dynasties in which they invaded India?

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