Science Quiz / yr1 chemistry (episode II)

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Ready 2 become 1 with chemistry (#lit)

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HintAnswer
electron mass relative to proton= 1/x what is x
reading the periodic table from left to right, elements are ordered by increasing a_____ n_____
alkali metals are in which block of the periodic table?
in cahn-ingold-prelog nomencalture, if two atoms are attached to the same carbon in the c=c bond then find the ____ ____ ___ ___________
negative ions are called ______
solubility requires B_____ ______ the lattice so water molecules can surround the ions
haloalkane + sodium hydroxide reaction is refluxed for a good _____
hydrogen bonds in ice form an open t_______ lattice full of holes
in the s-block, the highest energy electrons are in the ____ subshell
metals are malleable and ductile due to the metallic bond being n______ d______
mass of isotope relative to 1/12th mass of c-12 isotope
covalent bonding occurs in n______ m________ elemments
in a covalent bond the shared pair of electrons are attracted to both ______
transition metals are in which block of the periodic table?
1dm^3 = x ml what is x?
how many hydrogen bonds does each molecule of water form (max)
hydrogen bonds can only form with _____ atoms
electrons are arranged around the nucleus in _______
the number of the period gives the number of h____ e______ electrons in an elements shell
nucleophile (/3)
nucleophile (/3)
cations include metal ions and NH4+ called: an _______ ion
how many groups are in the s block?
giant ionic lattices cannot conduct electricity as the ions c______ m_____ as they are fixed in position
elements in the same group have similar properties and same number of o______ shell electrons
cahn-_____-prelog nomenclature
heavier mass isotopes have a different d_______
hydrogen bonding is the strongest _______ force
if you heat a hydrated salt and there is a minor colour change, what may have occurred?
higher mass isotopes have higher/same/lower boiling point
weighted mean mass of an atom relative to 1/12th the mass of c-12 isotope
different isotopes of same element have same number of:
cis isomers have hydrogen atoms of the same _____ of the molecule
water molecules form hydrogen bonding and which other intermolecular force?
relatively strong electrostatic attraction between polar molecules that contain hydrogen covalently bonded to atoms of high electronegativity (with an l.p)
to work out the molecular formula, you must first find the empirical formula's ___ and divide the actual compound's molecular mass by this. Then multiply the empirical by it.
at room temperature, most ionic compounds are _____ (state-wise)
metals are d_______
heating a hydrated salt yields and ____ salt and water
water molecules in ice form an o______ l______ s______
repeating trends in properties of elements across periods is called p________
across period 3, the 3s and ___ subshells are filled
haloalkanes contain a carbon-____ bond
amount of solute in moles dissolved in 1dm^3 of solution
an ion attracts ______ in all directions in a giant ionic lattice
hydrogen bonding causes high s_____ t____
once the 4s and 3d energy levels are filled, which level has a higher energy?
halogens are in which block of the periodic table?
for each period, the s and _ subshells fills the same way
in a mass spectrometer, the ions are deflected onto a detector that sends a signal. the larger the signal, the greater the a______
4s subshell fills and empties ____ the 3d subshell
HintAnswer
what is the bond angle about the hydrogen atom involved in the hydrogen bond? (close to ___)
chloride ion is an _____
which n=4 subshell is not filled in period 4?
how many sub shells are filled in period 4?
mass spectrometer records m/z for each isotope so ____ ____ _____ can be measured
so4(2-) is a P_______ ion
isotopic mass affects d______
what type of bond, holds cations and anions together in ionic lattices
hydrogen bonds are found in molecules with a hydrogen atom bonded to an ______ atom
an ammonium ion is a ______
metals are m______
across period 2, the 2s subshell fills, followed by the ____ subshell
the strong electrostatic attraction between a shared pair of electrons and the nuclei of bonded atoms
how many groups are in the d-block?
elements in the same group have the same n____ o_____ e______ i______ e_______ s_____s_____
1dm^3= x L what is x?
melting points for lattices containing ions with greater charges are same/lower/higher
when heating a salt and the mass no longer changes, you can assume all water has been lost and it is now _____
cahn-ingold-prelog nomenclature use to name ______ compounds that are not cis or trans
cahn-ingold-_____ nomenclature
in the p-block, the highest energy electrons are in the ___ subshell
detergents r_____ water surface tension
chemical reaction involvig water or an aqueous solution of hydroxide that causes breaking of bond in a molecule
solid ionic compounds can conduct electricity when they are dissolved or __________
the electrostatic attraction between positive and negative ions.
haloalkane + sodium hydroxide is a _____ reaction (speed) when it is not refluxed
hydrogen bonds can only form with electronegative atoms with a ____ ____ __ _______
a species that donates a pair of electrons
ionic compounds have _____ melting and boiling points
is the p block in the left/centre/right of the periodic table?
if the groups of higher priority are on different sides of the double bond- it is a ___ isomer
across period 4, the ___ subshell is filled but the highest energy is n=4
in a mass spec graph. what is the y axis denoting
denote a h_____ bond using a dashed line
many ionic compounds dissolve in ______ solvents
 
____-ingold-prelog nomenclature
____-_____-_____ nomenclature
there are no m______ c________ c_______ in a solid ionic lattice
water contained in a crystalline structure is know as the ___ ___ ____
a hydrogen bond is a special type of _____ dipole-dipole interaction
what type of salt contains water as part of its crystalline structure?
a non metal ion is an _____
positive ions are called _____
in cis-trans isomerism, both carbons in the double bond must be bonded to a ______ atom
if the groups of higher priority are on the same side of the double bond- it is a ___ isomer
trans isomers have hydrogen atoms d______ opposite
weighted mean mass takes into account relative isotopic mass and also ____ _____
when an ionic compound breaks down (via dissolution/melting) it forms c______ i_______
in cis-trans isomerism, both carbons must be bonded to t___ ______ groups
covalent bonding occurs in p________ i_______
HintAnswer
mass to charge ratio= x/y what is x?
weak electrostatic attractions between polar molecules that have polar covalent bonds
for atoms of d-block elements, the 4s energy level fills _____
periodic table blocks correspond to the ______ _____ sub shell
name of reaction between haloalkane and nucleophile
the horizontal rows of the periodic table are called _____
for an ion of +1, the m/z ratio in mass spec is equal to relative _____ mass
higher mass isotopes of an element have a higher/same/lower melting point
1dm^3= x cm^3 What is x?
1cm^3 = x ml. What is x?
describe the carbon-halogen bond
when a hydrated salt is heated, the water's bonds to the structure ____
similarity in electron configuration, give electrons in same group a similar c________
(percentage abundance of isotope x isotope Mr) *('') / 100 equals what?
in cahn-ingold-prelog nomenclature: a higher atomic number = _____ priority
in a mass spectrometer, do lighter or heavier ions deflect more easily?
a covalent bond is l_______
mass of carbon 12 is exactly equal to 12 ____ _____ units
a covalent bond is an overlap of atomic _______ each containing one electron
no3- is a p______ ion
the periodic table is divided into blocks depending on their h______ e______ subshell
a solution of known concentration is called the _____ solution
the metallic bond acts in ____ directions
is the d block in the left/centre/right of the periodic table?
you assume when you heat a salt that no further _______ has occurred
in a mass spectrometer the ions are accelerated . heavier ions accelerate more _____ than lighter ions
nucleophile (/3)
haloalkanes can be converted to _____s using NaOH
compound made of ions with large charges, may contain ionic attractions too strong for water to b______ d______ t_______ l_______
mass to charge ratio= x/y what is y?
how many groups are in the p block?
________ Isomerism describes a special case of E/Z isomerism
in a mass spectrometer, the ions are separated by _____ via deflection
a metal ion is a _____
in a mass spectrometer, the sample is ionised to form _____ ions
an atom's number of neutrons does/does not affect the atom's reactivity?
an attraction acting solely between electrons and nuclei is described to be l______
the metallic bond is independent of s_____
in cahn-ingold-prelog nomenclature, the atoms attached to the double bond are given priority based on _____ _____
when one chemical species is replaced by another chemical species
technique to work out percentage abundance of isotopes in a sample of element
1.99x10^-26kg is equal to one ____ ____ unit
which axis of a mass spec graph denotes the m/z ratio?
hydrogen bonds hold water molecules _____ in an open lattice structure
no2- is a p_______ ion
to tell when a hydrated salt has become anhydrous you measure the _____ until it is constant
in the periodic table, the vertical columns are called _______
polar molecules breakdown the lattice and s_____ e_____ ion in solution
a species that is attracted to an electron deficient compound

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