A
Flammability is a _______ property
chemical
Density is a ________ property.
Physical
An exothermic reaction ________ thermal energy
Releases
When a peeled banana turns black it is a
Chemical change
The melting point of silver is a _______ property
Physical
Breaking a chemical bond ________ energy from the surroundings.
absorbs
The ability to react with oxygen is a physical property. T/F?
False
Titanium reacts less with oxygen than most metals do. This is a ________ property.
chemical
When a log burns in a fire, new substances are formed. T/F?
True
The ability of a pond to freeze over in winter is a physical property. T/F?
True
A characteristic of matter that allows it to change to something new is a physical property. T/F?
False
Explain the law of conservation of mass.
The total mass of the reactants equals the total mass of the products because atoms are rearranged but not created or destroyed during the reaction.