6.1 Compounds Flashcards
1
Q
Compounds
A
A pure substance made up of two or more elements that are chemically combined
2
Q
Ionic compounds
A
Are composed of a metal and a non metal. Ionic compounds are pure substances
Properties
Have high melting points
Form crystals
Dissolve in water to form electrically conductive solutions
3
Q
Bond
A
A connection between atoms or ions
4
Q
Ionic bond
A
Attractions between ions
5
Q
Molecular compounds
A
A compound that consists of only non metals . It is a pure substance
Features:
Can besolids liquids or gases at room temp
Usually good insulators but good conductors of electricity
Have relatively low melting points
