Definitions
The study relating to the transformation of substances.
What is Chemistry?
The central part of an atom
What is the nucleus?
The name of the table that organizes elements.
What is the periodic table of elements?
The symbol for water
What is H2O?
The smaller particles of a solution that are dissolved
A substance of which objects are composed that occupies space and has mass.
What is matter?
Positively charged particles
What are protons?
The order in which the elements are organized
What is "by their atomic number"?
The symbol for salt
What is NaCl?
The larger particles of a solution that dissolve the smaller particles
What are solvents?
The basic building blocks of all matter.
What are atoms?
Neutral particles
What are neutrons?
The 3 main groups in the periodic table
What are metals, non-metals, and metalloids?
The compound CO2
What is Carbon Dioxide?
Salt water
What is a solution?
A pure substance made from a single type of atom.
What is an element?
Negatively charged particles
The Russian chemist who arranged elements into groups with similar properties
Who is Dmitri Mendeleev?
Made of 2 or more atoms of the same elements or different elements
What are molecules?
Cereal and milk
What is a mixture?
A pure substance made from two or more different elements chemically combined.
What is a compound?
The philosopher who said that matter is made up of individual particles called "atoms."
Who is Democritus?
What the atomic number tells us about an element
What is the number of protons in an atom?
The element with the atomic number 6
What is Carbon?
isopropyl alcohol and water
What is a solution?