Chemistry Review Flashcards

Matter

Anything that takes up space and has mass. It is made up of elements.

A substance that cannot be broken down into other substances by chemical reactions.

<p>A substance consisting of two or more elements in a fixed ratio, with characteristics that differ from those of its elements.</p> Signup and view all the answers

<p>Carbon, hydrogen, oxygen, and nitrogen.</p> Signup and view all the answers

<p>Unique atoms.</p> Signup and view all the answers

<p>The smallest unit of matter that still retains the properties of an element.</p> Signup and view all the answers

<p>Subatomic particles.</p> Signup and view all the answers

<p>Neutrons, protons, and electrons.</p> Signup and view all the answers

<p>Neutrons have no electrical charge, protons have a positive charge, and electrons have a negative charge.</p> Signup and view all the answers

<p>Neutrons and protons are found in the atomic nucleus, while electrons form a cloud around the nucleus.</p> Signup and view all the answers

<p>Dalton.</p> Signup and view all the answers

<p>The number of protons in its nucleus.</p> Signup and view all the answers

<p>The sum of protons plus neutrons in the nucleus.</p> Signup and view all the answers

<p>The atom's total mass, can be approximated by the mass number.</p> Signup and view all the answers

<p>Neutrons.</p> Signup and view all the answers

<p>Two atoms of an element that differ in the number of neutrons.</p> Signup and view all the answers

<p>The capacity to cause change.</p> Signup and view all the answers

<p>The energy that matter has because of its location or structure.</p> Signup and view all the answers

<p>An electron's state of potential energy.</p> Signup and view all the answers

<p>The distribution of electrons in the electron shell, mostly determined by the valence electrons.</p> Signup and view all the answers

<p>Those in the outermost shell or valence shell.</p> Signup and view all the answers

<p>The sharing of a pair of valence electrons by two atoms.</p> Signup and view all the answers

<p>Two or more atoms held together by covalent bonds.</p> Signup and view all the answers

<p>The notation used to represent atoms and bonding.</p> Signup and view all the answers

<p>A combination of two or more different elements.</p> Signup and view all the answers

<p>An atom's attraction for the electrons in covalent bonds.</p> Signup and view all the answers

<p>The atoms share the electrons equally.</p> Signup and view all the answers

<p>One atom is more electronegative and does not share the electrons equally.</p> Signup and view all the answers

<p>An attraction between an anion and a cation, where atoms sometimes strip electrons from their bonding partners.</p> Signup and view all the answers

<p>A charged atom or molecule.</p> Signup and view all the answers

<p>A positively charged ion.</p> Signup and view all the answers

<p>A negatively charged ion.</p> Signup and view all the answers

<p>True</p> Signup and view all the answers

<p>Hydrogen bonds and ionic bonds, hydrophobic and hydrophilic interactions, van der Waals forces.</p> Signup and view all the answers

<p>A hydrogen atom covalently bonded to one electronegative atom is also attracted to another electronegative atom.</p> Signup and view all the answers