Ions Flashcards
How is an ion formed ?
When elements reacts their atoms lose or gain electrons in order to obtain a full outer shell
Which elements will lose their outer electrons ?
With an outer shell that is less than half full
What element will gain electrons to fill their outer shell
Elements with an outer shell that is more than half full
What happens if an atom loses electrons?
Ion with a positive charge is formed
What happens if an atom gains electrons ?
An ion with a negative charge is formed
What is the charged of ions in all off the groups?
G1 +
G2 2+
G3 3+
G5 3-
G6 2-
G7 -
In which groups can u find metals?
Groups 1,2 and 3
In which groups can you find non-metals ?
Groups 5,6 and 7
What is the symbol for hydrogen?
H+
What is the symbol for hydroxide?
OH-
What is the symbol for ammonium?
NH4+
What is the symbol for carbonate?
CO3 2-
What is the symbol for nitrate?
NO3-
What is the symbol for sulfate ?
SO4 2-