Basic
Which group is this and what is it called?
Its called chalcogens and it is group 6/16.
All elements in this group are not active at all and have 6 electrons in their inner electron shell.
True or False?
False, All elements in this group are chemically active and have 6 electrons in their outer electron shell.
Oxygen-
Oxygen: Clear and colourless. Used by any living thing in order to breathe
Why is this group called Group 6?
It is called Group 6 because the valence or outer shell has 6 electrons.
How are the elements in this group found?
They all are found in either free or combined states.
Tellurium: Dark in color and rocky and shiny like. It is used for thinning glass.
How many elements are there in this group and what are they?
There are 5 elements: Oxygen, Sulfur, Selenium, Tellurium, and Polonium.
All melting, boiling, and densities decrease going down the group.
True or False?
False, All melting, boiling, and densities increase going down the group.
Selenium-
Selenium: Gray and round. It is a semi-conductor that's sensitive to light.
These elements are also known as ___ - _______ elements.
The elements are also known as 'Ore-Forming' elements.
What are the:
Metals:
Non-metals:
Metalloids:
in this group
The
Metals: Polonium
Non-metals: Oxygen and Sulfur
Metalloids: Selenium and Tellurium
in this group
Choose any one for the normal amount of points or both for double the points:
Sulfur-
Polonium-
Sulfur: Yellow and powdery. Manufactured by fertilizers.
Polonium: Dark in colour and shiny. It is used in anti-static brushes to remove negatives and prints