The number on top of the chemical symbol is called what?
The atomic number
100
Metals make up most of the periodic table.
(True/False)
True
100
Are non-metals on the right or left side of the periodic table?
They are on the right side. (Except for hydrogen)
100
Metals make up the majority of the periodic table. (True/False)
True
100
What is A mass?
a mass is a large body of matter with no definite shape.
200
Which of these has the most elements?
metals, nonmetals, or metaloids
Metals
200
Are metals on the right of the line.
(True/False)
False, metals on the left of the line.
200
Most non-metals are listed as what? (solid, liquid, gas)
Gasses
200
Is metalloids a solid,gass or liquid?
Metalloids are Solids.
200
What does the periodic table mean?
A table of elements and there Numbers
300
The letter symbol for each element is called what?
The chemical symbol
300
Group 2 contains what metals?
Alkine
300
whats a Nonmetal?
Non-metals are the elements in groups 14-16 of the periodic table
300
Facts about Metalloids?
The metalloids are groups 13-17 and periods 2-6.
300
what Is Chlorine?
is the chemical element of atomic number 17, a toxic, irritant, pale green gas.
400
What is the atomic mass?
The totral number of the protons and neutrons in the element's atoms.
400
As the table progresses from left to right the elements become ____ metallic. (more or less)
Less metallic
400
Facts about Non-metal
Non-metals are not able to conduct electricity or heat very well
400
Elements That are metalloids?
The elements in Metalloids are Boron, Silicon, Germanium, Arsenic, Antimony, Tellurium, Polonium, and Astatine.
400
What is Mercury?
Mercury is a element that is used in some old hats once you use the hats you will go crazy. Like Mad-hatters
500
Hydrogen, Helium, Neon, and Oxygen are all?
Nonmetals
500
The elements placed below the table are called what?
Lanthanides and Actinides
500
What you didn't know about NON-metal
As opposed to metals, non-metallic elements are very brittle, and cannot be rolled into wires or pounded into sheets. The non-metals exist in two of the three states of matter at room temperature: gases (such as oxygen) and solids (such as carbon). The non-metals have no metallic luster, and do not reflect light. They have oxidation numbers of ±4, -3, and -2.
500
3 physical properties of Metalloids.
It insilates and conducts electricity
They can carry an electric charge under certain circumstances
Has a melting and freezing point
500
What is A periodic table
a table that has all the elements and there Short name