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;
23 Cards in this Set
- Front
- Back
- 3rd side (hint)
|
Mass |
The resistance of a sample of matter to being accelerated |
|
|
|
Conversion factor |
A fraction that contains the numerical relationship between two units and that is used to convert a measurement from one unit to another |
|
|
|
Chemistry |
The study of matter |
|
|
|
Matter |
Anything that has mass |
|
|
|
Periodic table |
A table that arranged the chemical elements based on their chemical properties |
|
|
|
Compound |
A substance that is made from two or more elements |
|
|
|
Atom |
The smallest particle of an element |
|
|
|
Nucleus |
The cluster of protons and neutrons at the center of an atom |
|
|
|
Atomic number |
The number of protons in an atom, used to identify an element |
P+N |
|
|
Mass number |
The total number of protons and neutrons in an atom |
F-19 |
|
|
Isotopes |
Atoms of the same element that have different numbers of neutrons |
|
|
|
Atomic weight (atomic mass) |
The average mass of all atoms in a chemical compound |
|
|
|
Chemical formula |
A way to represent the numbers and types of atoms in a chemical compound |
|
|
|
Metal |
An element or mixture of elements characterized by shiny appearance, ability to be hammered into different shapes w/o shattering, and ability to conduct heat and electricity |
|
|
|
Nonmetal |
An element characterized by dull appearance, brittleness in the solid form, and inability to conduct heat and electricity to a significant extent |
|
|
|
Metalloid |
An element whose physical and chemical properties are intermediate between metals and nonmetals |
Tells which outer shell the valence electrons are in |
|
|
Period |
The elements in a horizontal row of the periodic table |
Tells how many valence electrons an element has |
|
|
Group |
The elements in a vertical column of the periodic table |
|
|
|
Representative (main group) element |
An element in Groups 1A - 2A or 3A - 8A of the periodic table |
|
|
|
Transition element |
An element in Groups 3B - 2B of the periodic table |
|
|
|
Inner transition element |
An element in one of the 14 groups shown separately at the bottom of the periodic table |
|
|
|
Valence shell |
The outermost shell of an atom |
|
|
|
Valence electron |
The electron in the outermost shell of an atom |
|
