Science Chapter 1 Flashcards
1
Q
Define “matter”
A
anything that has volume and mass.
2
Q
What are the building blocks of atoms and what are there charges
A
Protons +
Neutrons
Electrons -
3
Q
Define an “element”
A
A chemical element is a chemical substance whose atoms all have the same number of protons.
The things on the Periodic Table of Elements
4
Q
Define a “molecule”
A
Simplest unit of a compound that can exist.
Formed when two or more atoms join.
5
Q
Name the element(s), molecule(s) and compounds in CaCO3
A
molecules: Ca, C, 0
compound: CaCO3
6
Q
Define a “compound”
A
Two or more diffrent atoms joined
