2006-09-07 07:08:13 · 8 answers · asked by pkv19702000 1 in Science & Mathematics ➔ Chemistry
anion- negatively charged atom or molecule
cation- postively charged atom or molecule
Always remember Red Cat- reduction occurs at the cathode.
and
LEO GER- Lose Electrons: Oxidation Gain Electrons: Reduction
So if you gain electrons at the cathode, it must have a negative charge.
Bonus mnemnonic- cations are pulled toward the cathode.
2006-09-07 07:11:44 · answer #1 · answered by Iridium190 5 · 2⤊ 0⤋
A widespread misconception is that anode polarity is always positive (+). This is often incorrectly inferred from the correct fact that in all electrochemical devices negatively charged anions move towards the anode (hence their name) and/or positively charged cations move away from it. In fact anode polarity depends on the device type, and sometimes even in which mode it operates, as per the above electric current direction-based universal definition. Consequently, as can be seen from the following examples, in a device which consumes power the anode is positive, and in a device which provides power the anode is negative
2016-03-20 08:41:12 · answer #2 · answered by Anonymous · 0⤊ 0⤋
An anion is an atom or a group of assembled atoms that has a negative charge. (e.g. Cl- ; SO4--)
A cation is an atom or a group of assembled atoms that has a positive charge (i.e. Na+ ; NH4+)
In a galvanic cell the anode is negative and the cathode is positive.
In an electrolythic cell the anode is positive and the cathode is negative.
2006-09-07 09:43:43 · answer #3 · answered by Looking for roots 2 · 2⤊ 2⤋
This Site Might Help You.
RE:
what is anion & cation ?What is the charge of cathode and anode ? /?
2015-08-16 16:10:56 · answer #4 · answered by Anonymous · 0⤊ 0⤋
What Is Anion And Cation
2016-11-04 21:27:35 · answer #5 · answered by ? 4 · 0⤊ 0⤋
anion , is a negative ion( which moves towards the anode), Cation is a positive ion (which moves towards the cathode), cathode is the negative electrode, and anode is the positive electrode.in electrolysis cell.
2006-09-07 08:04:22 · answer #6 · answered by basimsaleh 4 · 0⤊ 0⤋
anion is negatively charged particle moving towards anode
cations are positively charged particles moving towards cathode
cathode is the negative terminal and the anode is the positive terminal
2006-09-07 07:11:04 · answer #7 · answered by raj 7 · 1⤊ 0⤋
Anion-negetively charged atomic species
Cation-positively cahrged atomic spcies
Cathode-negetively cahrged electric plate.It is connected to negetive terminal of battery
Anode-positively charged electric plate.Connected to positive terminal of battery.
2006-09-07 07:15:07 · answer #8 · answered by Anonymous · 1⤊ 0⤋
anodes are positive, cathodes are negative
2006-09-07 07:11:19 · answer #9 · answered by iberius 4 · 1⤊ 0⤋
http://en.wikipedia.org/wiki/Ion
2006-09-11 04:46:47 · answer #10 · answered by danielpsw 5 · 0⤊ 0⤋