Name That Symbol
What is the symbol for Boron
B
This scientist created the first widely accepted periodic table.
Dmitri Mendeleev
Elements like oxygen and carbon belong to this category.
Nonmetals
This particle has a positive charge.
Protons
What is the element that humans breathe in to survive.
Oxyegen
What is the symbol for sodium
Na
Rows on the periodic table are called this.
Periods
These elements are shiny, good conductors, and usually solid.
Metals
This particle has no charge.
Neutrons
What is the lightest element on the periodic table.
Hydrogen
What is the symbol for the element with the 3rd least atomic mass?
Li
Columns on the periodic table are called this.
Groups or Families?
These elements have properties of both metals and nonmetals.
Metalloids
This particle moves around the nucleus and has a negative charge.
An electron
What is the element that makes up most of the air in Earth’s atmosphere.
Nitrogen
What is the symbol for Lead?
Pb
Elements in the same group usually have similar what?
Properties
This metalloid is commonly used in computer chips.
Silicon
Protons and neutrons are located in this part of the atom.
The nucleus
What are two shiny metal that is very valuable and often used in jewelry.
Gold and Silver
What are the symbols for Aluminum, Silicon, Arsenic, and Potassium.
Al, Si, As, and K
The periodic table is arranged in order of increasing this.
Atomic Number?
These elements are in Group 18 and rarely react with other elements.
Noble Gasses
The number of protons in an atom equals this number.
The atomic number
What is the element inside diamonds and also found in pencil “lead.”
Carbon