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Chemistry

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Bria Cummerata

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Cards in this guide (14)
What are electrons in the outermost energy shell of an atom called

valence electrons

Which two subatomic particles have about the same mass

Protons and neutrons have about the same mass.

Which type of reaction is the burning of gasoline to release heat energy

an exothermic reaction

What philosophy is David Hume most identified with

David Hume (1711-1776) was a Scottish philosopher whose sceptical philosophy restricted human knowledge to that which can be perceived by the senses. This is known as empiricism.

In what way is the table of the elements periodic

The periodic table is arranged in periods and groups; elements are placed in the ascending order of the atomic number. The law of periodicity from Mendeleev is respected.

Whose philosophy spanned the period in German philosophy between the death of Gottfried Leibniz and the birth of Immanuel Kant

Christian wolff

Which philosophical theory calls for government control and ownership of the natural resources of a nation

socialism

Which Austrian was one of the leading philosophers of the twentieth century and studied how ordinary language should be used to determine the true meaning of words

Ludwig wittgenstein

Which philosophical movement is most closely associated with empiricism

logical positivism

The change in which no new kinds of matter are formed but the size shape or state of the matter may change

The change in which no new kinds of matter are formed but the size, shape or state of the matter may change is known as a physical change.

Which type of compound is composed of negatively and positively charged atoms

Ionic compounds are composed of negatively and positively charged atoms.

Is a substance with equal numbers of H ions of OH - ions an alkaline solution

No. If the number of H+ and OH- ions are equal then the solution is neutral. A solution is considered alkaline if it has more OH- ions than H+ ions.

What term best defines two or more atoms joined by a chemical bond-

The term that best defines two or more atoms joined by a chemical bond, is a covalent bond.

A chemical change is also called a chemical reaction

The "ingredients" of a reaction are called reactants, and the end results are called products.

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