Atoms
This is a small particle that makes up most types of matter on earth
What is an atom
Solid, liquid, gas, plasma
What are the phases or states of matter?
These are found on the right side of the periodic table
What is metalloids and nonmetals?
the property that can be observed without changing the substance
physical property
An element that has lost or gained an electron
What is an ion?
the property that can only be observed while changing the substance into something new
chemical property
This is a negatively charged subatomic particle
What is an electron
True or False- ALL elements are matter
What is true?
This is the sum of the an atom's protons and neutrons
What is mass number or atomic mass?
Density is a __ property.
What is physical?
True or False- lightning is plasma
What is true
These are found on the left side of the periodic table
What are metals?
reaction between vinegar and baking soda demonstrates one of baking soda's ___ properties
These are atoms of the same element that have different numbers of neutrons.
What is an isotope?
atomic mass - protons = ??
What is the number of neutrons?
In a forensic science scenario, investigators test several unknown white powders found at a crime scene to match the unknown substances to a known sample. They observe the color, texture, solubility, density, reaction with acid, flammability, melting points, and reaction with iodine. Which of these are physical properties?
What are color, texture, solubility, density, and melting points?