Atomic Concepts
This scientist is credited with the first modern atomic theory.
Who is John Dalton?
This is the formula for strontium chloride.
What is SrCl2?
The type of bond involves the sharing of electrons.
What are covalent bonds?
This is the mole ratio of H₂ to O₂ in 2H₂ + O₂ → 2H₂O?
What is 2:1?
This is the unit of heat energy.
What is joule?
This subatomic particle determines the identity of an element.
What are protons?
Name the compound: SO3
What is sulfur trioxide?
The type of elements form ionic bonds.
What are metals/cations and non-metals/anions?
There are this many moles are in 18 grams of H₂O.
What is 1 mole?
The term describes a reaction that absorbs heat.
What is an endothermic reaction?
This experiment led to the discovery of the nucleus.
What is the gold foil experiment?
This is the name for Fe₂O₃
What is iron III oxide?
The element that is the most electronegative.
What is fluorine?
The reactant that runs out first in a reaction.
What is the limiting reagent?
This is the specific heat of water in J/g·°C.
What is 4.18 J/g·°C?
This model describes electrons in probability clouds rather than fixed orbits.
What is the wave mechanical theory?
This is the formula for ammonium sulfate
What is (NH₄)₂SO₄?
This is the shape of a water molecule.
What is bent?
The amount of product you would expect if a reaction was 100% efficient
What is the theoretical yield?
In an exothermic reaction, heat is released or absorbed.
What is released?
There are this many electrons in the 3rd energy level.
What are 18 electrons?
This is the name of the ion, MnO4-.
What is permanganate?
This causes a polar covalent bond.
What is unequal sharing of electrons due to electronegativity difference?
This is the empirical formula if the molecular formula is C6H12O6.
What is CH2O?
Heat flows in this direction.
What is from high to low?