Groups And Charges Flashcards
Group 2 has a…
+2 charge
In a compound, elements in group 1 have a…
+1 charge
Group 13 has a…
+3 charge
Group 14 has a….
+4 or -4 charge. It depends in what other element they are binding with.
Group 15 has a…
-3 charge
Group 16 has a…
-2 charge
Group 17 has a…
-1 charge
Group 18….
Doesn’t want to bind.
Elements normally have what kind of charge?
0 charge when by themselves. It is once they want to bind with other elements is when their charge comes out. For example, potassium (K) normally has a 0 charge, but once it wants to bind it will have a charge of +1.
When you put elements together…
The compound’s charge must equal 0.
What is the name of 2 elements that are put together?
A binary compound
bi = 2
In a binary compound, what is required of the second compound?
It must end in “-ide”
How do you tell which element comes first in a binary compound?
The element with the positive charge ALWAYS comes first in a binary compound.
Calcium phosphide is a…
Binary compound because it has 2 elements in it. Calcium and phosphorous.
