Periodic Table
This noble gas has atomic number 10.
Neon
This element has the highest ionization energy.
Helium
Convert 3.00 moles of CO₂ to grams.
132g
The hybridization of carbon in ethene (C₂H₄).
sp2
Bond type between ions of opposite charges
ionic bond
This element has an atomic number of 26 and is essential in red blood cells
Iron
Metals tend to have (high/low) electronegativity.
Low
You have 1.2 × 10²⁴ molecules of CH₄. How many moles is that?
2 moles
sp hybridization corresponds to this geometry.
linear
The correct name for H₂O₂.
hydrogen peroxide
This element has the symbol "Au"
Gold
This group has the most negative electron affinities.
Halogens
2 Al + 3 Cl₂ → 2 AlCl₃, how many moles of Cl₂ are needed for 4 moles of Al?
6 moles
The hybridization of nitrogen in ammonia (NH₃).
sp3
Name for FeCl₃
iron (III) chloride
Symbol As, known for its historical use as a poison.
Arsenic
Rank these ions from smallest to largest: F⁻, O²⁻, N³⁻.
Size?
N³⁻ > O²⁻ > F⁻
You get 3.2 g of product from a 4.0 g expected amount. What’s the percent yield?
80%
Which type of bond—sigma or pi—is stronger and allows free rotation?
sigma bond
The formula and name for potassium permanganate.
KMnO4
Symbol Rn, a radioactive noble gas.
Radon
Which trend is stronger across periods than down groups: electronegativity or atomic radius?
Electronegativity
In: Fe₂O₃ + 3 CO → 2 Fe + 3 CO₂, how many grams of Fe form from 160 g of Fe₂O₃?
112
A central atom forms 2 sigma bonds and has no lone pairs.
sp
Name for ClO₂-
chlorite