Matter and Its Changes
Chapter 2
What is Matter?
What is Matter?
Anything that has mass and takes up space.
Draw an atom with 6 protons, 8 neutrons, and 6 electrons.
Draw an atom with 6 protons, 8 neutrons, and 6 electrons.
Draw an atom with 6 protons, 6 neutrons, and 6 electrons.
What is different in a Carbon-12 and Carbon-14 Atom?
What is different in a Carbon-12 and Carbon-14 Atom?
Carbon-12 6 neutrons
Carbon-14 8 neutrons
What is the same in a Carbon-12 and Carbon-14 Atom?
What is the same in a Carbon-12 and Carbon-14 Atom?
6 protons(also, 6 electrons in an atom of carbon)
What defines a Carbon atom?
What defines a Carbon atom?
Number of protons - atomic number
What is an isotope?
What is an isotope?
Isotope - atoms of same element with different atomic masses
What is Atomic Mass?
What is Atomic Mass?
Atomic Mass = # of protons + # of neutrons
How do atoms combine to form molecules?
How do atoms combine to form molecules?
Atoms lose or gain electrons to become charged Ion
Positive ions are attracted to negative ions to become molecules
What are the 4 states of matter?
What are the 4 states of matter?
Solid
Liquid
Gas
Plasma
