It's elementary
One way all symbols for elements are the same
What is they all have a capital letter?
He
What is Helium?
Carbon
What is C?
The way elements are organized on the periodic table
What is by increasing atomic number?
The reason noble gases are used in lights for signs
What is they glow when electricity passes through them?
This is used to order elements on the periodic table
What is atomic number?
O
What is Oxygen?
Nitrogen
What is N?
Properties of metals
What are shiny, conductors of heat & electricity, and can change shape?
The reason noble gases are called inert
What is they do not easily react with other elements?
The three groups elements can be placed into on the periodic table
What are metals, nonmetals, and noble gases?
Ni
What is Nickel?
Potassium
What is K?
The purpose of the zigzag line on the periodic table
What is to divide metals and nonmetals?
Elements in the same column that have similar properties
What is a family of elements?
This nonmetal element makes up the largest percentage of the air
What is nitrogen?
Ag
What is silver?
Mercury
What is Hg?
A mixture of metals that are combined when melted
What is an alloy?
Atoms of the same element with different mass numbers are called this
What is an isotope?
The manner by which an elements atomic mass is determined
What is by taking an average of all its isotopes?
Pb
What is lead?
Zinc
What is Zn?
The FOUR items of information given for each element of the periodic table
What are name, symbol, atomic number, and atomic mass?
Carbon has an atomic number of 6. One atom has a mass number of 12. Another has a mass number of 14. It is possible because of this.
What is they have different numbers of neutrons?