Show:
Ions
Bonding
Ionic Compounds
Alloys
Miscellanious
100
Diagrams that show valence electrons as dots
What is electron dot structures
100
the electrostatic forces that hold ions together in ionic compounds
What is ionic bonds
100
why is the charge of ionic compounds neutral?
the total positive charge of the cations equals the total negative charge of the anions
100
what are alloys?
mixtures composed of two or more elements, at least one of which is a metal.
100
how are metal atoms arranged?
in very compact and orderly patterns
200
cation, or positively charged ion
What is the product of an atom's loss of valence electrons
200
shows the kinds and numbers of atoms in the smallest representative unit of a substance
What is a chemical formula
200
what are most ionic compounds composed of?
metal cations and nonmetal anions
200
why are alloys important?
their properties are often superior to those of their component elements
200
describe the arrangement of the valence electrons of metal atoms
they can be molded as a sea of electrons
300
the product of the gain of negatively charged electrons
What is an anion
300
the lowest whole-number ratio of ions in an ionic compound
What is a formula unit
300
what is table salt composed of? (sodium chloride)
sodium cations and chloride anions
300
Give some examples of alloys
silver, bronze, steel
300
the number of ions of opposite charge that surround the ion in a crystal
What is the coordination number
400
Sodium cations
What is an element that reacts explosively with water
400
what are most ionic compounds at room temperature
crystalline solids
400
How do anions and cations attract each other? (by what means)
electrostatic forces
400
why is steel the most important alloys today and what are some of its properties?
steel has a wide range of useful properties, such as corrosion resistance, ductility, hardness, and toughness.
400
what formation do sodium cations and chloride anions make up?
a repeating three-dementional array in sodium chloride
500
the ions that are produced when atoms of chlorine and other halogens gain electrons
What is halide ions
500
name 2 or more physical properties of ionic compounds
high melting points, can conduct electric current when melted or dissolved in water, brittle
500
how many valence electrons does sodium have?
seven
500
when the atoms of the components in an alloy are about the same size, they can replace eachother in the crystal
what is a substitutional alloy
500
what determines the chemical properties of an element?
the number of valence of electrons