Reading...
Play button
Play button
Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
33 Cards in this Set
- Front
- Back
|
Matter
|
Everything - Solid, Liquid, Gas
|
|
|
Mass
|
Is the amount of matter.
|
|
|
Elements
|
Matter is broken Down into elements
|
|
|
Weight
|
Gravitational force on an object
|
|
|
Kilogram
|
1KG = 2.2lbs
|
|
|
Energy Conversions
|
Conversion from one form to another during chemical reactions
|
|
|
Atom
|
Building block of elements and is the smallest part of an element.
|
|
|
What is an Atom made of
|
Subatomic particles known as protons neutrons and electrons
|
|
|
What determines the chemical behavior of an atom?
|
Electrons
|
|
|
Unique substance that cannot be broken down into a simpler substance through basic chemical reactions?
|
Element
|
|
|
What is the difference between elements?
|
The number of protons, neutrons adn electrons
|
|
|
Atomic Symbols
|
the 1 or 2 letter abbreviation the symbolizes an Element
|
|
|
Atomic Number
|
the number of protons and or electrons in an atom
(lower left number) |
|
|
Mass Number
|
the number of protons and neutrons in an atom (Upper left number.)
|
|
|
Isotopes
|
2 or more forms of the same element with diff. number of neutrons
|
|
|
Compound
|
2 or more atoms of different elements to form a new chemical substance
|
|
|
Ion
|
Atom or molecule that carries a positive or negative electrical charge.
|
|
|
Anion
|
Negatively charged ion - electron acceptor
|
|
|
Cation
|
Positively charged ion - electron donor
|
|
|
Types of Chemical Bonding
|
Ionic Bonding
Covalent Bonding |
|
|
Ionic Bonding
|
When opposites attract and cations and anions bond.
Accepts and donates electrons |
|
|
Dissociation
|
Ions separate
|
|
|
Covalent Bonding
|
Atoms of the same element share one or more pairs of electrons
|
|
|
What is the resulf of 2 covalently bonded atoms?
|
Molecule
|
|
|
Single Covalent Bond
|
when 2 atoms share 2 electrons (One PAIR of electrons)
|
|
|
Double Covalent Bond
|
2 atoms share 4 electrons or 2 pairs of electrons
|
|
|
Polar covalent bond
|
When an atom more strongly attracts an electron. (Electron hungry)
|
|
|
Non-Polar covalent bonds
|
Electrons are shared equally between atoms
|
|
|
Polar Molecules
|
Electrons not equally shared
Molecule has negative and positive poles Hydrophilic |
|
|
Nonpolar molecules
|
Electrons are equally shared
No poles Hydrophobic |
|
|
Hydrogen Bond
|
Weak bond.
Does not create molecules but pulls molecules together Creates surface tension |
|
|
Inorganic Compounds
|
Carbon Dioxide
Oxygen Water |
|
|
Organic Compounds
|
Carbohydrates
Lipids Proteins Nucleic Acids |
