electrons in the highest occupied energy level of an element's atoms
What is Valence electrons
100
sodium chloride
What is NaCl
100
PbS
What is lead sulfide
100
consists of the attraction of the free-floating valence electrons for a positively charged metal ions
What is metallic bonds
100
postitive(+) ion
What is cation
200
atoms reacting by gaining or losing electrons so as to aquirre the stable electron structure of a noble gas.
What is Octet rule
200
Magnesium Chloride
What is MgCl2
200
K2SO4
What is Potassium Sulfate
200
arranged in very compact and orderly patterns
What is arrangment of atoms in the metals
200
Negative(-) ion
What is anion
300
the electrostatic forces that hold ions together in ionic compounds
What is ionic bonds
300
Aluminum Bromide
What is AlBr3
300
Ammonium Carbonate
What is 2(NH4+1) and 1(CO3-2)
300
mixtures composed of two or more elements, at least one of which is metal
What is alloys
300
the gain of negatively charged electrons by a neutral atom produces__________
What is the formation of anions
400
compounds composed of cations and anions
What is ionic compounds
400
sodium nitrate
What is Na(NO3)
400
Iron (III) Oxide
What is 2(Fe+3) and 3(O-2)
400
the properties are more often superior to those of their component elements
What is the importance of alloys
400
makes molecules, shares electrons, made of nonmetals, it have a neatual charge, it has a strong bond, low melting and boiling point, and does not conduct electricity
What is covalent bonding
500
shows the kinds and numbers of atoms in the smallest representative unit in a substance
What is chemical formula
500
Lead Hydroxide
What is Pb(OH4)2
500
Iron (II) Oxide
What is 1(FE+2)and 1(O-2)
500
the valence electrons of metal atoms can be modeled as a sea of electrons
What is model valence electrons in metal atoms
500
makes compounds, made with metal and nonmetal, it has positive and negatice charges, weak bond, high melting and boiling point, and are good conductors.