Show:
Elements
The Table
Familes
Properties
Other Stuff
100
Which particle has a negative electric charge?
What is an electron
100
Who developed the 1st periodic table?
Who is Mendeleev?
100
The columns of the periodic table are called what?
What is a group or family?
100
To be able to be hammered into flat sheets.
What is malleable?
100
Where are synthetic elements made?
In a particle accelerator.
200
In an atom that is stable, the number of electrons is equal to what?
What is the number of protons?
200
How was the first periodic table organized?
By atomic mass
200
What do the elements in a column of the periodic table have in common?
Similar properties
200
To be pulled into thin wires.
What is ductile?
200
This is given to each element, usually made of one or two letters.
What is a chemical symbol.
300
The area where electrons are found.
What is the electron cloud.
300
Which type of element is the largest in the periodic table?
What are metals?
300
Which group has most of the metals familiar to people, such as gold, silver, and copper?
What is the transition metals?
300
Shiny is know as....
What is luster?
300
What are the horizontal rows of the periodic table called?
What are periods?
400
The area where protons and neutrons are found and makes up most of the mass of the atom.
What is the nucleus?
400
Where are the most reactive metals found?
In Group 1, the first column on the left.
400
Which elements usually don't form compounds?
What is inert gases?
400
Which group has properties of both metals and non-metals?
What is semi-metals or metalloids.
400
Elements higher than 92 are not found naturally on Earth and are called...
Synthetic elements.
500
What is an isotope?
An element with the same number of protons but different number of neutrons.
500
Each element is written in the box on the periodic table. What is found in those boxes?
Atomic number (top number) Atomic mass (bottom number) Element symbol (one or two letters) *Sometimes element name
500
The salt forming family is know as...
The halogen family.
500
The chemical activity of metals tend to do what as you move from left to right across the periodic table?
decrease
500
How many protons, neutrons, and electrons does Carbon-16 have?
6 protons 10 neutrons 6 electrons