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43 Cards in this Set
- Front
- Back
Sodium chloride is commonly known as _____? |
Table salt |
|
The most important source of sodium chloride is _______? |
Underground deposits |
|
Does solid sodium chloride conduct an electrical current? |
No |
|
Is elemental sodium a silvery-white metal? |
yes |
|
Sodium metal is normally stored under what? |
Oil |
|
What is one of the most reactive of all elements? |
Chlorine |
|
Carbon dioxide gas changes from a ______ to a solid at about -80 degrees C |
Gas |
|
The science of organic chemistry is concerned with compounds that contain _______? |
Carbon |
|
Oxygen makes up _____% of the Earth's air. |
21 |
|
What is a gas that doesn't burn but that ordinarily supports the burning of other substances? |
Oxygen |
|
At -253 degrees C, hydrogen changes from a gas to a ______? |
Liquid |
|
In general, compounds have properties that are _______ the properties of the elements of which they are composed |
different from |
|
Freezes at 0 degrees C |
Water |
|
Covers approximately 70% of Earth's surface |
Water |
|
Is a colorless gas of low mass that is rarely found uncombined |
Hydrogen |
|
Is a pale-green poisonous gas |
Chlorine |
|
Is the main constituent of charcoal |
Carbon |
|
In its solid form, is called dry ice |
Carbon dioxide |
|
Has crystals shaped like tiny cubes |
Sodium chloride |
|
Is produced when carbon burns in air |
Carbon dioxide |
|
Is a metal that is soft enough to be cut with a knife |
Sodium |
|
The most abundant element in Earth's crust |
Oxygen |
|
Along with silicon, makes up sand |
Oxygen |
|
Is often called the universal solvent |
Water |
|
Is the most abundant element in the universe |
Hydrogen |
|
Is a common source of heat |
Carbon |
|
Is used as a disinfectant |
Chlorine |
|
Makes up about 0.03% of the atmosphere |
Carbon dioxide |
|
Melts at close to the boiling point of water |
Sodium |
|
Is the lightest of all elements |
Hydrogen |
|
Can be obtained by the evaporation of sea water |
Sodium chloride |
|
Is located in the upper-left hand corner of the periodic table |
Hydrogen |
|
An atom with a charge |
Ion |
|
The strong attractive force between ions of opposite charge |
Ionic bond |
|
A compound comprised of ions |
Ionic compound |
|
The state of an atom achieved by having the same valence electron configuration as a noble gas atom; the most stable configuration |
Noble gas configuration |
|
The model of chemical stability that states that atoms become stable by having eight electrons in their outer energy level except for some of the smallest atoms, which have only two electrons |
Octet rule |
|
A regular, repeating arrangement of atoms, ions, or molecules in three dimensions |
Crystal |
|
Any compound that conducts electricity when melted or dissolved in water |
Electrolyte |
|
A compound whose atoms are held together by covalent bonds |
Covalent compound |
|
The attraction of two atoms for a shared pair of electrons |
Covalent bond |
|
An uncharged group of two or more atoms held together by covalent bonds |
Molecule |
|
The force between the particles that make up a substance |
Interparticle force |