Matter, Properties, Changes, and the Periodic Table
Name an example of a chemical change.
Cooking an egg, burning a wood log, etc...
How many valence electrons does a Carbon (C) atom have?
4
What is the name of the compound NaCl?
Sodium Chloride
What is the name of the compound Na2(SO4)?
Sodium Sulfate
What is an example of a molecular compound?
H2O , CO2, etc...
What is the ionic charge of Sulfur?
-2
How many electron orbits does a Magesium (Mg) atom have?
3
What is the name of the compound LiF?
Lithium Fluoride
What is the name of the compound Ca(OH)2 ?
Calcium Hydroxide
What kind of bonds do molecular compounds have?
Covalent Bonds
How many protons are in Na2+ ?
11
If element X loses 3 electrons, what is its ion charge?
+3
What is the formula of the compound Magnesium Oxide?
MgO
What is the name of the compound (NH4)2SO4 ?
Ammonium Sulfate
What is the formula for Carbon Monoxide?
CO
How many neutrons does a Potassium (K) atom have?
20
Name a cation that is isoelectric with Ar.
Potassium Ion (K+) or Calcium Ion (Ca2+)
What is the formula of the compound Beryllium Phosphide?
Be3P2
What is the formula of the compound Lithium Chlorate?
Li(ClO3)
What is the name of the compound Dinitrogen Tetroxide?
N2O4
Which group on the periodic table has a stable octet of valence electrons?
Group 18
Group 1 elements (ie. Na) like to bond with which group of elements?
Group 17 (ie. Cl)
What is the formula of the compound Calcium Nitride?
Ca3N2
What is the formula of the compound Aluminum Nitrite?
AL(NO2)3
What is the name of the compound Trinitrogen Octabromide?
N3Br8