Metals make the majority of the periodic table?
True/False
True
Which non-metal is a good conductor of Electricity?
Graphite
The zigzag line on the keyboard divides what?
The metals and nonmetals.
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
Bronze is make of which two metals?
Gold,silver, and Bronze.
What is the first nonmetal on the periodic table?
Hydrogen
The elements placed below the table are called what?
Lanthanides and Actinides
Metalloids are the smallest category on the periodic table. (True/False
True
Hydrogen, Helium, Neon, and Oxygen are all?
Nonmetals or gasses
What metal has the chemical symbol of Pb?
Lead
Most non-metals are listed as what? (Solid,Liquid,gas)
Gasses
Group 2 contains what metals?
Alkaline-earth metals
ow many metalloids are there?
6
What is the atomic mass?
The sum of the protons and neutrons in the element's atoms.
What is the only metal that is liquid at room temp?
Mercury
Are nonmetals on the left or right side of the periodic table?
They are on the right side except for hydrogen.
What are the metalloids on the table?
On either side of the zigzag line
All metalloids are classified as what? (solid, liquid, gas)
Solids
The largest category (metals, nonmetals, metalloids) has the most elements?
Metals
True or False? Steel is a chemical change.
False-Alloy
What is the only nonmetal to be classified as a liquid?
Bromine
As the table progresses from left to right the elements become ____ metallic. (more or less)
Less reactive
What is a metalloid?
They are electrical semiconductors.
What is an atom?
A source of nuclear energy.