What type of bond forms between a metal and a nonmetal?
Ionic Bond
How many valence electrons does carbon have?
4
What is the name of NaCl?
Sodium Chloride
What is the percent by mass of hydrogen in H₂O?
11.1%
What type of reaction is A + B → AB?
Synthesis
What type of bond involves shared electrons between nonmetals?
Covalent bond
What is the shape of CO₂?
Linear
What is the formula for calcium hydroxide?
Ca(OH)2
What is the percent by mass of sulfur in SO₃?
40%
What type of reaction is: AB → A + B?
Decomposition
What type of bonding is in NCl₃?
Polar covalent.
What is the shape of NH₃?
Trigonal pyramidal
What is the name of FeS?
Iron(ll) sulfide
Find the percent by mass of hydrogen in NH₃.
17.6%
Balance: NaOH + H₃PO₄ → Na₃PO₄ + ___H₂O
3
What type of bonding occurs in metals, allowing them to conduct electricity?
Metallic Bonding
What is the shape of BH₃?
Trigonal planar
What is the formula for ammonium sulfide?
(NH4)2S
What is the mass of 6.0 moles of aluminum (Al)?
162 grams
What do we use to balance chemical equations?
Coefficients
What is the main difference between polar and nonpolar covalent bonds?
Polar bonds share electrons unequally, while nonpolar bonds share equally.
What do dots represent in a Lewis structure?
Valence electrons
What is the name of MgF₂?
Magnesium flouride
What is the molecular formula if the empirical formula is P₂O₅ and the molar mass is 284 g/mol?
P4Q10
What kind of reaction involves swapping ions between two compounds?
Double replacement