The group the halogens belong to in the periodic table.
What is Group 7?
100
The definition of ion.
What is a charged particle?
100
A bond created between a metal and a non-metal.
What is an iconic bond?
200
The reactent that determines the theoretical yeild of product.
What is limiting reactant?
200
The definition of isotopes.
What are atoms of the same element with differnet mass numbers?
200
Ions that are made up of more than one atom which together have experienced a loss or gain of electrons, and so carry a charge.
What are polyatomic ions?
200
Hydrogen bonding.
What is the intermolecular force created when a hydrogen is directly bonded to a fluorine, nitrogen or oxygen?
200
The electrostatic attraction between a pair of electrons and positively charged nuclei.
What is a covalent bond?
300
The number of H2O moles produced from 2 moles of H2 atoms when O2 is in excess.
What is 2 moles?
300
The symbol for hydrogencarbonate.
What is HCO3-?
300
The definition of the first ionization energy.
What is the energy of an element that is required to remove one mole of electrons from one mole of gaseous atoms?
300
The names for the three intermolecular forces in the order: weakest first and strongest last.
What is Van der Waals’ forces< dipole-dipole attraction< hydrogen bonding?
300
This kind of compounds and molecules are soluble in water.
What is polar molecules and compounds?
400
The number moles O atoms in 1.8 x 10^22 molecules of O2.
What is 0.06 moles?
400
Two uses of radioisotopes.
What are carbon-14 dating/cobalt-60 in radiotherapy/iodine-131 as a medical tracer?
400
The order of conductivity (from best to worst) of the allotropes of carbon.
What is graphite> fullerene C60 > diamond?
400
The bond angle and shape for a water molecule.
What is 105 degrees and bent/V-shaped?
400
The bond angle and shape for NH3.
What is 107 degrees and pyramidal?
500
The reason why the boiling point of hydrazine (N2H4) is much higher than that of ethene (C2H4) in terms of intermolecular forces.
What is hydrazine having hydrogen bonding while ethene only has dipole-dipole attraction?
500
The relative atomic mass for element X, when 75% has the mass 36 and 25% has the mass 40.
What is 37?
500
The Valence Shell Electron Pair Repulsion.
What is the theory that states that electron pairs found in the outer energy level/valence shell of atoms repel each other and thus position themselves as far apart as possible?
500
this is your lucky day! you will get a really easy question :D
IS C6H14 soluble in water?