formulae and equations Flashcards
1
Q
what is a binary compound?
A
compound contains 2 elements
2
Q
how to name ionic compound?
A
metal ion always comes first
3
Q
how to name binary compound?
A
use name of first element and change ending of second elements anew to ide
e.g sodium and oxygen sodium oxide
4
Q
polyatomic ion
A
an ion that contains more than one atom.
5
Q
ammonium ion
A
NH4 +
6
Q
hydroxide ion
A
OH-
7
Q
nitrate ion
A
NO⁻ ₃
8
Q
nitrite ion
A
NO⁻ ₂
9
Q
hydrogen carbonate ion
A
HCO3-
10
Q
manganate VII permanganate
A
MnO4 -
11
Q
carbonate ion
A
CO3(2-)
12
Q
sulfate ion
A
SO₄(2-)
13
Q
sulfite ion
A
SO3 (2-)
14
Q
dichromate VI ion
A
Cr2O7(2-)
15
Q
phosphate ion
A
PO4 (3-)
