Atomic Theory
Periodic Table
Physical/Chemical
Properties
Physical/Chemical
Change
Periodic Table Trends
100
a positively charged particle
What is a proton
100
A subatomic particle that has no charge and that is found in the nucleus of an atom and has mass
What is neutron
100
a characteristic that can be observed or measured without changing the identity of the substance.
What is a physical property?
100
burning wood
What is chemical change?
100
Read from left to right. One proton and one electron are added from one element to the next?
What is a period?
200
a substance that cannot be broken down any more
What is a pure substance
200
A subatomic particle that has a negative charge almost no mass
What is electron
200
a change in a substance that does not involve a change in the identity of a substance.
What is physical change?
200
ice melting
What is physical change?
200
Metals, nonmetals, and metalloids.
What are 3 classes of elements?
300
Most of mass of an atom is found in the
What is Nucleus
300
A chart of the element showing the repeating pattern of their pattern of their properties
What is periodic table
300
a change directly from the solid to the gaseous state without becoming liquid
What is sublimitation?
300
a temperature at which a solid melts to a liquid.
What is melting point?
300
A modern atomic model is an atom that consists of a nucleus that contains protons and neutrons surrounded by an electron cloud.
What is a modern atomic model?
400
Nucleus in the middl with protons and electrons moving around outside the nucleus
What is Rutherford model
400
Column of the periodic table read from top to bottom.Elements share similar properties and have the same number of valence electrons
What is group
400
the process of changing from a gaseous to a liquid state.
What is considation?
400
The temperature at which a liquid of specified composition solidifies under specific pressure.
What is freezing point?
400
A charged atom.
What is an ion?
500
Read from left to right.One proton and one electron are added from one element to the next.
What is period
500
a property used to characterize materials in reactions that change their property.
What is chemical property?
500
NaCl is an example of
What is compound
500
Atoms of the same element that have different number of neutrons.
What is isotopes?
M
e
n
u