A
The study of "the composition, structure, and properties of substances and the transformations that they undergo."
What is Chemistry?
This exists in 4 forms.
What is Matter?
This has a definite shape and a definite volume.
What is a solid?
Matter is made up of these tiny particles.
What are atoms?
This is a substance that is made of only one kind of atom.
What is an element?
These are the building blocks of elements.
What are atoms?
Positively charged ions.
What are cations?
Negatively charged ions
What are anions?
Atoms that are NOT electrically balanced
What are ions?
This is where the protons and neutrons are located in an atom.
What is the nucleus?
This helps scientists to organize and categorize elements.
This is the number of protons in an atom of the element.
What is the atomic number?
Atomic mass - (minus) atomic number = (equals) THIS
What is the number of neutrons?
An atom is made up of these three parts.
What are protons, neutrons, and electrons?
The letter or abbreviation of an element on the Periodic Table of Elements.
What is the symbol?
This is a hot gas that exists in areas of extreme heat.
What is plasma?
A cation means that an atom has this kind of charge.
What is positive?
This number is the total of protons and neutrons in an atom of an element.
What is the atomic mass?
Atomic mass is measured in this.
What is atomic mass units?
A slight variation in the number of neutrons in any element.
What is an isotope?
The name of the 7 horizontal rows of the Periodic Table of Elements.
What are periods?
The name of the vertical columns of the Periodic Table of Elements.
What are groups?
Two or more elements combined chemically.
What is a compound?
This has mass and takes up space.
What is matter?
Two or more elements that are combined physically rather than chemically.
What is a mixture?