Random Facts on Chemistry Flashcards
1
Q
5 Types of Energy
A
1.Heat 2.Electricity 3.Light 4.Chemical 5.Nuclear
2
Q
What is Energy?
A
The capacity to do work.
3
Q
What is Work?
A
Is done on an object against an opposing moving force.
4
Q
How old is the earth?
A
6-10 thousand years old
5
Q
How old does evolution think the world is?
A
4.5 billion years old
6
Q
What is a Compound?
A
A compound contains 2 or more elements.
7
Q
What is a Molecule?
A
The smallest particle of a pure substance capable of individual existence.
8
Q
What is a Molecular Compound?
A
A compound held together by covalent bonds.
9
Q
What is an Ionic compound?
A
A compound held together by Ionic bonds.