Building Blocks II
This is the name of the chart or table where elements are organized.
What is the Periodic Table of Elements?
This is what is formed when two or more different atoms are combined.
What are molecules?
These are found in the center (nucleus) of an atom.
What are protons and neutrons?
These are solids that have formed into geometric shapes.
What are crystals?
Name two properties of acids.
What are sour taste, conducts electricity, ruins metals, and donates hydrogen ions?
This is what atoms with different numbers of neutrons than protons are called.
What are isotopes?
This is what is formed when two or more different elements are combined.
What are compounds?
This number shows the number of protons an atoms has.
What is the atomic number?
Name one of three common compounds that form crystals.
What are salt, sugar, and water.
What are taste chalky and bitter, have a slippery feel especially when wet, and have the ability to break down fats and oils?
Found on the Periodic Table of Elements, these are sometimes taken from the first letter of the element's name. Sometimes they are taken from the element's Latin name.
What are the element's symbols?
These three things make up an atom.
What are protons, neutrons, and electrons?
What number represents the number of protons and neutrons in the nucleus of an atom?
What is the mass number?
These are crystals that are considere to be more valuable than others.
What are gemstones?
This is a scale scientists use to determine whether a substance is an acid or a base.
What is the pH scale?
This is the charge of protons.
What is positive?
This is the name of the center of an atom.
What is the nucleus?
Name two of the most precious gemstones.
What are sapphires, rubies, emeralds, and diamonds.
This is when two or more chemical substances interact with each other and change into different chemical substances.
What is a chemical reaction?
This is the charge of neutrons and electrons.
What is neutral and negative?
Name one of the three names given to the level where the electrons spend their time buzzing around the atoms.
What are the energy level, orbital, or electron shell?
This word comes from Greek meaning "many parts."
What is a polymer?
This causes a substance to change the way they look or changes its state, however it is still the same substance.
What is a Physical Change?