Chemical and Physical Changes
A property that can be observed using your senses
What is a physical property?
A property that can be observed by looking at it
What is a physical property?
Center of an atom
What is nucleus?
Atomic number counts these
What are protons?
A property that describes what happens when another substance is introduced to something
What is a chemical property?
A property that describes how a substance interacts with other substances
What is a chemical property?
Positively charged particle
What is a proton?
Element with symbol Na
What is sodium?
Name for a row in the periodic table
What is a period?
Chemical or physical change: breaking
What is physical change?
Chemical or physical property: Color
What is physical property?
Negatively charged particle
What is an electron?
Symbol of potassium
What is K?
Name for a column in the periodic table
What is a group?
Chemical or physical change: melting
What is a physical change?
Chemical or physical property: flammability
What is flammability?
Neutral particle
What is a neutron?
Element with 33 protons
What is arsenic?
Elements in the same period have this
What is the same number of energy levels / shells?
Chemical or physical change: color change
What is a chemical change?
Chemical or physical property: state of matter
What is physical property?
Particles that are attracted to each other
What are protons and electrons?
Number of neutrons in gold
What is 118?
Elements in the same group have this
What is the same number of valence electrons?