Chemical Formulas

Christmas Cheer

100

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

200

In a chemical formula, the subscript tells ?

the number of atoms of an element present in the formula

300

T/F: Covalent and ionic compounds are named differently

true 

400

If no subscript is present how many atoms of an element are present?

One (1)

500

Which is the chemical formula for Magnesium chloride?

MgCl₂

Gingerbread Cookies

100

Electron loss is indicated by a _____ (negative/positive) charge.

positive 

200

Carbon and oxygen can combine as CO. What is the name of CO?

carbon monoxide

300

Daily Double

Give the formula for sulfur hexafluoride.

SF₆ 

400

Which is the correct formula for ammonium chloride? 

NH₄Cl 

500

Give the correctly written  chemical name for magnesium oxide

MgO

Rudolf's Nose

100

Write the correct compound name for ZnCl₂ ? 

Zinc Chloride

200

T/F: An example of a polyatomic ion is the sulfate ion.  

true

300

Give the name for P₂O₅.

diphosphorus pentoxide

400

Daily Double

Write the formula for iron (II) phosphate. 

Fe₃(PO₄)₂

500

Is the compound Ammonium Hydroxide binary or ternary?

Ternary

Apple Cider & Hot Cocoa

100

Daily Double

The total charge of an ionic compound =

zero (0)

200

What is the correct name for P₃F₇? 

Triphosphorous Heptafluoride

300

Which is the correct formula for calcium chloride? 

CaCl₂ 

400

T/F: The chemical formula for Aluminum Hydroxide is AlOH₃

false

500

What is the formula for calcium carbonate?  

CaCO₃

Pear-tree Partridge

100

T/F: Atoms can only have one possible charge.

false

200

What is the formula for potassium carbonate?

K₂CO₃

300

Write the formula for magnesium nitrate.

Mg(NO₃)₂

400

Write the formula for sodium acetate

Na(C₂H₃O₂)

500

Is the compound  H₂S  Ionic or Molecular. Give the correct name for the compound.

molecular; Dihydrogen monosulfide