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;
25 Cards in this Set
- Front
- Back
|
Neutrons
|
Share the nucleus with the protons;have no charge.
|
|
|
Nucleus
|
The center of an atom.
|
|
|
Molecule
|
Two or more atoms chemically bonded together.
|
|
|
Protons
|
Positively charged particles found in the nucleus.
|
|
|
Atomic Mass Unit
|
Unit used to measure the masses of subatomic particles;
|
|
|
Atomic number
|
The number of protons in the nucleus. The atomic number identifies the element.
|
|
|
Energy levels
|
Most likely location in an electron cloud in which an electron can be found.
|
|
|
Isotopes
|
Atoms of the same element that have the same number of protons but different numbers of neutrons.
|
|
|
Atomic mass
|
Average of the masses of the existing isotopes of an element.
|
|
|
Electron cloud
|
Space in which electrons are likely to be found.
|
|
|
Atomic Mass
|
The sum of the protons and neutrons in the nucleus of an atom.
|
|
|
Electrons
|
Negatively charged subatomic particle found in an area outside the nucleus of an atom.
|
|
|
Electromagnetic force
|
Force of attraction or repulsion between positive and negative particles in an atom.
|
|
|
Strong force
|
Force that binds protons and neutrons in the nucleus.
|
|
|
Gravity
|
Weakest force; force of attraction exerted between all objects in nature.
|
|
|
Groups/families
|
Columns of elements.
|
|
|
Important information about an element given in each square of the periodic table
|
Atomic number, chemical symbol, name, atomic mass.
|
|
|
Period
|
The horizontal row of elements.
|
|
|
Malleable
|
Able to be hammered out into a thin sheet.
|
|
|
Metal
|
Element that is a good conductor of heat and electricity, is shiny, has a high melting point,is ductile and malleable, and tends to lose electrons.
|
|
|
Ductile
|
Able to be drawn into a thin wire.
|
|
|
Compound
|
Two or more elements chemically combined. Sugar is an example.
|
|
|
Atom
|
The smallest particle of an element that has the properties of that element.
|
|
|
Chemical symbols
|
A shorthand way of representing the elements.
|
|
|
Element
|
The simplest pure substance.
|
