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Chemistry

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Arianna Blick

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4y ago
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Cards in this guide (8)
Maxwell a Russian scientist created an early periodic table of elements

false

Atoms with a low ionization energy hold tight to their outer valence electrons

No; the phrase given characterizes high rather than low ionization.

Who listed the elements in a table accourding to their atomic masses

Mandeleev who predicted periodic table.

Mendeleevs periodic table of elements was created in 1901

Mendeleev's periodic table of elements certainly wasn't created in 1901

What does electronegativity represent why does it increase left to right and top to bottom on the periodic table

electronegativity represents the size of an atom

Which one of the following is a common acid soap aspirin antacid and washing soda

Aspirin

Which one of the following is a balanced equation

2NH3(g) + 3Mg(s) —> 3H2(g) + Mg3N2(s)

The change that takes place when two or more substances what to form new substances is called a chemical reaction

(Apex) interact

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