Which element is characterized by its ability to undergo sublimation.
What is iodine?
100
as the temperature of a fixed volume increases, the pressure will what?
What is increase
100
which has has the higher electronegativity, Na or Mg
What is Mg
100
If a bonding pair of electrons is unequally shared between two atoms the bond is _____?
What is polar covalent
100
In general, as the temperature of a solvent increases, the solubility of any dissolved within that solvent:
What is decreases
200
collisions between gas molecules are?
What is elastic
200
why does aerosol can become cooler when gas is released?
What is the propellent expands
200
when a strontium atom loses 2 electrons to form an sr^2+ ion, the electrons are lost from the _____?
What is 5s orbital
200
A molecule with a single covalent bond is:
What is F2.
200
A glass of iced tea containing excess sugar at the bottom is said to be:
What is saturated.
300
How many joules are there in 148 calories?
What is 619 J
300
Compared to 100 g or iron, a 10-sample of iron has _____?
The same specific heat.
300
The electron configuration of a fluoride ion, F-, is:
What is The same as that of the neon atom.
300
The high surface tension of water is due to the:
What is hydrogen bonding between water molecules.
300
NT, AT, or ST: Oil and water are completely miscible.
What is NT
400
What is not a form of energy?
What is pressure.
400
what is the shape of a 3p atomic orbital?
What is a dumbell
400
NT or AT: When melted, ionic compounds conduct electricity.
What is AT
400
Ice floats on liquid water because it's density is:
What is lower than that of liquid water.
400
AT, NT, ST? At constant temperature. more powdered sugar will dissolve in a cup of coffee than will sugar that is in the form of cubes.
What is AT
500
How much heat does it take to warm 16.0 g of pure water from 90.0 degrees C to 100.0 degrees C?
What is 669 J
500
What did Rutherford's experiment demonstrate?
What is that most of an atom's mass is concentrated in a relatively small portion of the atom's entire volume.
500
How many valence electrons does an atom of any element in group 6a have?
What is 6.
500
How many water molecules are in two formula units of bariumhydroxide octahydtrate
What is 16
500
If the solubility of silver nitrate at 40 degrees C is 311 per 100 g of water, what mass of this solute can be dissolved in 350 g of water at the same temperature?