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How many equivalence relations are there on a set with four elements?
16
How many elements are there in 3rd transion elements?
There are eight third period transition elements on the periodic table.
What are symmetric numbers?
there are many symmetric numbers. 111, 121, 454, 252, 999, 545 etc
How many main elements in fiction?
I think eight but I'm not sure.
How many lines of symmetric does an equilateral triangle have?
one
How could you tell if a figure is symmetric?
look at how many sides there are...
How many ways can you divide a square with 4 symmetric parts?
4
Is a fork symmetric and how many lines?
Yes, one.
How many electrons do the elements of the most stable group have in their outer layer?
Eight, except for helium which has two.
What is rules of significant?
The octet rule is the tendency of many chemical elements to have eight electrons in the valence shell.
How many tridecominoes are there?
There are 238591 different was of putting tridecominoes (13 squares). 217117 pieces have no holes, 21474 pieces do have holes, 237394 are asymmetric, 216070 have no holes, 21324 do have holes, 564 are axially symmetric, 510 have no holes, 54 do have holes, 326 are diagonally symmetric, 239 have no holes, 87 do have holes, 283 are birotationally symmetric, 276 have no holes, 7 do have holes, 17 biaxially symmetric, 16 have no holes, 1 does have holes, 3 bidiagonally symmetric, 2 have no holes, 1 does have holes, 2 quaternary rotationally symmetric that have no holes and 2 completely symmetric that have no holes.
What isOctet rule for electrons?
The octet rule is the tendency of many chemical elements to have eight electrons in the valence shell.
