Bonding and Formula YEAR 9 Flashcards
1
Q
ions
A
charged particles formed when atoms lose or gain electrons
2
Q
Cations are
A
Positive ions formed when metal atoms lose electrons
3
Q
Anions are
A
Negative ions formed when non metal atoms lose electrons
4
Q
what does a minus symbol mean ionic bonds
A
Gain electrons
5
Q
what does + mean ionic bonds
A
lose electron
6
Q
Compound
A
2 or more atoms chemically bonded that are different elements
7
Q
-ate means
A
3 elements in bond
8
Q
-ide means
A
2 elements in bond
9
Q
what do the roman numerals beside ions mean
A
The charge
(II) is 2+
10
Q
Symbol including charge for Sulfur (group 6)
A
S²-
Charge is 2- as sulphur gains 2 electrons to become stable
