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Worksheetsas level chemistry 1 and 2 chapter
Total questions: 13
Worksheet time: 7mins
Electrons in energy levels further from the nucleus have ...... energy than those closer to the nucleus
less
more
the same
a slightly different
proton has ...... charge
positive
negative
neutral
optimistic
.................... is the specific distances from the nucleus corresponding to the energy of the electrons
valency electrons
sub-shells
atomic number
energy levels
....... is the positive electrode
cathode
anode
isotope
proton
isotope
same electrons, different protons
same neutrons, different protons
same protons, different neutrons
same mass, different atomic number
how many groups in periodic table
23
118
89
18
with the help of which formula we can calculate max. number of electrons in quantum shell
2(x+1)
2n*2
2n+n
X+2
draw s-orbital
unit of ionisation energy
kj/mol
g/mol
kj/ml
l/mol
Ionisation.......... across a period and....... down
stays the same/increases
increase/increases
decreases/increases
increases/decreases
........ is the unit to determine the amount of a substance
litr
gram
mole
joule
relative mass of electrone
0
1
1/1836
1/9800
atomic radius ....... down any group
decreases
increases
shrinks
shields
