How do you know how many valence electrons an element has?

Author Question: How do you know how many valence electrons an element has? (Read 606 times)

notis

Hero Member
Posts: 596

on: Sep 20, 2013

I am in Integrated Physics and Chemistry and we are learning about the elements and bonding. So could someone please explain valence electrons to me?

TI

Sr. Member
Posts: 434

Reply #1 on: Sep 20, 2013

the column its in on the periodic table. for example if an element is in the third column it has 3 valence electrons. also if it has, for example, 17 valence electrons it would be in the 7th column

Need homework help now?

Ask unlimited questions for free

Ask a Question

« previous next »

Did you know?

The calories found in one piece of cherry cheesecake could light a 60-watt light bulb for 1.5 hours.

Did you know?

Recent studies have shown that the number of medication errors increases in relation to the number of orders that are verified per pharmacist, per work shift.

Did you know?

Acetaminophen (Tylenol) in overdose can seriously damage the liver. It should never be taken by people who use alcohol heavily; it can result in severe liver damage and even a condition requiring a liver transplant.

Did you know?

Warfarin was developed as a consequence of the study of a strange bleeding disorder that suddenly occurred in cattle on the northern prairies of the United States in the early 1900s.

Did you know?

Certain rare plants containing cyanide include apricot pits and a type of potato called cassava. Fortunately, only chronic or massive ingestion of any of these plants can lead to serious poisoning.