Orbiting the Nucleus
Holy Mole-y
Reactions
Water, Water Everywhere
Solutions, Suspensions, Colloids
100
When an electron moves from a lower to a higher energy level the electron __________.
What is absorbs energy?
100
Calculate the number of moles of tungsten in 4.8x1025 atoms.
What is 8.0x10^1 moles or 80 moles?
100
Represents the input of heat into a reaction.
What is Delta (Δ)?
100
This is responsible for the high surface tension of water.
What is hydrogen bonding?
100
This type of mixture has large particles (>1000nm) that settle to the bottom.
What is suspension?
200
The types of orbitals in the third principle energy level.
What is s, p, and d?
200
Calculate the molar mass of AuCl3.
What is 303.6 grams?
200
Tell me the coefficients for the following reaction: Cr(s) + Fe(NO3)2(aq) --> Fe(s) + Cr(NO3)2(aq)
What is 2, 3, 3, 2?
200
The high surface tension of water does this to the surface area.
What is minimizes it?
200
Milk is an example of this type of mixture.
What is a colloid?
300
He predicted that all matter can behave as waves as well as particles.
Who is Louis de Broglie?
300
Calculate how many moles of CaBr2 in 5.0 grams.
What is 2.5x10^-2 moles?
300
A reaction in which reactants are two ionic compounds.
What is double replacement?
300
The honeycomb structure of ice is what allows it to float on water because ______________.
What is less dense?
300
Emulsions are a mixtures classified as this type.
What is a colloid?
400
Single atoms with one electron were the only atoms that his model could explain.
Who is Niels Bohr?
400
Calculate the volume (in liters) of 0.500 moles of C3H8.
What is 11.2 L?
400
Carbon dioxide and water are products in __________.
What is a combustion reaction?
400
Water act as a magnet because of this property.
What is a polar covalent bond?
400
The scattering of light on a mixture is called this.
What is the tyndall effect?
500
There are three electrons to be distributed in the 2p orbital. They are distributed ________.
What is One electron in each orbital?
500
Calculate the number of atoms in 3.5 moles of arsenic (As).
What is 2.1x10^24 atoms?
500
Na2CO3 and Sn(NO3)2 combine in a double replacement reaction. The products are:
What is NaNO3 and SnCO3?
500
The bond in water is polar because this element is more electronegative.
What is oxygen?
500
The random motion of particles suspended in a medium.
What is brownian motion?
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