Forms of Energy Week of May 10th

Energy
Kinetic energy
Potential energy
Work
Mechanical energy
Sound energy
Thermal energy
Electric energy
Radiant energy
Nuclear energy

Write the chemical formula for a compound that is made of an element from group 1 and an element from group 17

Asample of hydrated tin (ii) chloride (sncl2) has a mass of 4.90 g. when it is dehydrated, it has a mass of 4.10 g. which is the correct chemical formula for the hydrate? sncl2•2h2o          sncl2•4h2o          sncl2•6h2o

What is a substance? a. a physical property of matter b. a chemical property of matter c. an element or compound that cannot be physically separated d. characteristics used to tell the difference between mixtures