Subatomic Particles
Roughly equal in size to each other
What are protons and neutrons?
A chart used by chemists that categorizes the elements
What is the Periodic Table of Elements
The elements are arranged from left to right according to their __________.
What is the atomic number?
This element's symbol is C
What is carbon?
The atomic number 6 for carbon gives us information about the number of _________ in the nucleus.
What is protons?
Have a positive electric charge
What are protons?
He expanded Dalton's periodic table
Who is Dmitri Mendeleev?
The elements are arranged from vertically according to their __________.
What is chemical properties?
This element's symbol is O
What is oxygen?
The atomic number for oxygen is ________.
What is eight (8)?
Have a negative electric charge
What are electrons?
Number of known elements Mendeleev included in his periodic table.
What is sixty-three?
The elements in the far right-hand column are called the _________.
What are the Noble Gases?
Helium is recognized by this symbol.
What is He?
If I subtract the atomic number from the atomic weight I can calculate the _________ of an atom
What is neutrons?
Subatomic particles that have no charge
What are neutrons?
Mendeleev arranged the elements on his table based on this.
What is atomic mass?
The elements in the far left-hand column are the ________.
What are the alkali metals?
The symbol Au for gold comes from this Latin word. Spell it.
What is A-U-R-U-M?
True or false Electrons are so small they are considered to have no weight at all.
What is True?
The number of electrons always equal the number of protons
What is a neutral element?
True or False. All elements on the modern periodic table are created naturally.
What is false?
These elements are similar because they do not react with other atoms or molecules.
What are the Noble Gases?
Tungsten has the symbol W derived from Wolfram. Name the language.
What is German?
Chemists can use the periodic table to predict the _____ of the elements.
What is behavior or interactions?