Element Basics
The whole number over the chemical symbol is called what?
Atomic Number
The zigzag line on the table divides what?
The metals and nonmetals
Metals make up the majority of the periodic table. (True/False)
True
Are non-metals on the right or left side of the periodic table?
They are on the right side. (Except for hydrogen)
Metalloids are the smallest category on the periodic table. (True/False)
True
The largest category (metals, nonmetals, metalloids) has the most elements?
Metals
Where are the metalloids on the table?
On either side of the zigzag line.
Metals are only to the right of the zigzag line. (True/False)
False, metals sit to the left of the zigzag line.
What is the first Nonmetal listed on the periodic table?
Hydrogen
Metalloids are on the left of the zigzag line, with the metals. (True/False)
False, metalloids are on both sides of the zigzag line.
The one or two letter symbol for each element is called what?
The Chemical Symbol
Group 2 contains what metals?
Alkaline-Earth Metals
What is the most common type of metal on the table?
Transition Metals
All of Group 18 (all non-metals) are classified as what? (solid, liquid, gas)
Gasses
Metalloids are made from what?
Metals and non-metals
What is the atomic mass?
The sum of the protons and neutrons in the element's atoms.
As the table progresses from left to right the elements become ____ metallic. (more or less)
Less reactive
What is the most reactive type of metals?
Alkali Metals
Most non-metals are listed as what? (solid, liquid, gas)
gasses
All metalloids are classified as what? (solid, liquid, gas)
Solids
Hydrogen, Helium, Neon, and Oxygen are all?
Nonmetals or gasses
The elements placed below the table are called what?
Lanthanides and Actinides
What are the three types of metals on the table?
Alkali, Alkaline-Earth, and Transition Metals
What is the only non-metal to be classified as a liquid?
Bromine
How many metalloids are there?
6