NEW
Font size
WorksheetsTest valencies & symbols
Total questions: 10
Worksheet time: 2mins
Valency of oxide is
1+
2+
1--
2--
Correct symbol & valency of carbonate is
CO3, 2--
Co3, 2+
co3, 1+
cO3, 2--
HCO3--1 correctly represents:
Hydrogen carbon tri oxide
Hydrogen carbonate
Hydrocarbon
Hydrogen carbon oxygen
Symbol of zinc is _____________, & valency is _________.
zn, 2+
ZN, 2+
Zn, 2+
zN, 2--
Copper has valencies:
1+, 2+
1+, 3+
1--, 2--
2+, 3+
Hydrargyrum is the latin name of the element:
Hydrogen
Helium
Haemoglobin
Mercury
Common name of Stannum is:
Silicon
Sulphate
Tin
Silver
Ag is the symbol of:
Antimony
Argentum
Arsenic
Aluminium
Ammonium is a radical having symbol __________ & valency __________.
Am, 1+
AM, 1--
NH3, 1+
NH4, 1+
Symbol of calcium is ____________ & it is _____________ in nature.
Co, electropositive
Ca, electonegative
Ca, electropositive
CA, electropositive
