Show:
Atoms
Elements
Basics of Periodic Table
Periodic Table
Miscellaneous
100
This is a small particle that makes up most of an element on earth
What is an atom
100
Made up of only one kind of atom
What is an element
100
Vertical columns on the periodic table
What are groups/families?
100
The metals, metalloids, and nonmetals on the right side of the periodic table
What are representative elements
100
Created the first periodic table
Who is Mendeleev
200
This is an uncharged particle in the nucleus of the atom.
What is a neutron
200
The periodic table organizes these in logical order
What is an element
200
Horizontal rows on the periodic table
What are periods?
200
This is the number of protons in the nucleus of each atom of an element
What is the atomic number
200

Chemical reactions can be observed as

color change, temperature change, gas production, smoking

300
These are atoms of the same element that have different numbers of neutrons.
What is an isotope
300
These are shiny, good conductors of heat and have luster
What is a metal
300
Bendable, easy to shape and a quality of metal
What is malleable?
300
This is the sum of the an atom's protons and neutrons
What is mass number a.k.a. atomic mass
300

Groups of the same element.

Pure substances

400
This is a positively charged particle in the nucleus of the atom
What is a proton
400
These are poor conductors of heat and electricity. They are dull in appearance
What is a non metal
400
Shiny, reflects light and is a quality of metal
What is luster?
400
The name of the element abbreviated usually to one or two letters.
What is element symbol?
400

What was Mendeleev's reasoning for reorganizing the periodic table of elements?

He wanted chemicals with the similar characteristics on the same columns.

500
This is a negatively charged subatomic particle
What is an electron
500
Elements that have characteristics of metals and non metals
What is a metalloid
500

The three categories of the elements on the periodic table.

What are metals, nonmetals, metalloids?

500

What is the difference between Bi and BI?

Bi is one element: bismuth

BI is two elements: boron and iodine

500

The two letter that do not appear on the periodic table of elements

What are the letters "J" and "Q"