Christmas Cheer
Daily Double
T/F: If an element symbol appears in a chemical formula, at least one atom of that element is in the molecule.
true
Electron loss is indicated by a _____ (negative/positive) charge.
positive
Write the correct compound name for ZnCl2 ?
Zinc Chloride
Daily Double
The total charge of an ionic compound =
zero (0)
T/F: Atoms can only have one possible charge.
false
In a chemical formula, the subscript tells ?
the number of atoms of an element present in the formula
Carbon and oxygen can combine as CO. What is the name of CO?
carbon monoxide
T/F: An example of a polyatomic ion is the sulfate ion.
true
What is the correct name for P3F7?
Triphosphorous Heptafluoride
What is the formula for potassium carbonate?
K2CO3
T/F: Covalent and ionic compounds are named differently
true
Daily Double
Give the formula for sulfur hexafluoride.
SF6
Give the name for P2O5.
diphosphorus pentoxide
Which is the correct formula for calcium chloride?
CaCl2
Write the formula for magnesium nitrate.
Mg(NO3)2
If no subscript is present how many atoms of an element are present?
One (1)
Which is the correct formula for ammonium chloride?
NH4Cl
Daily Double
Write the formula for iron (II) phosphate.
Fe3(PO4)2
T/F: The chemical formula for Aluminum Hydroxide is AlOH3
false
Write the formula for sodium acetate
Na(C2H3O2)
Which is the chemical formula for Magnesium chloride?
MgCl2
Give the correctly written chemical name for magnesium oxide
MgO
Is the compound Ammonium Hydroxide binary or ternary?
Ternary
What is the formula for calcium carbonate?
CaCO3
Is the compound H2S Ionic or Molecular. Give the correct name for the compound.
molecular; Dihydrogen monosulfide