Chemistry

Chemistry, 06.10.2019 01:30, SallyMarquez1201

Rank the following elements in order of decreasing atomic radius.
br, f, cl, i
rank from largest to smallest radius. to rank items as equivalent, overlap them.

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Physics, 17.08.2019 20:10, dai77

The six metals have the work functions, w. part a rank these metals on the basis of their cutoff frequency. rank from largest to smallest. to rank items as equivalent, overlap them. part b rank these metals on the basis of the maximum wavelength of light needed to free electrons from their surface. rank from largest to smallest. to rank items as equivalent, overlap them. part c each metal is illuminated with 400 nm (3.10 ev) light. rank the metals on the basis of the maximum kinetic energy of the emitted electrons. (if no electrons are emitted from a metal, the maximum kinetic energy is zero, so rank that metal as smallest.) rank from largest to smallest. to rank items as equivalent, overlap them. cesium= w= 2.1 ev aliminium= w= 4.1 ev beryllium= 5.0 ev potassium= 2.3 ev platinium= w= 6.4 ev magnisium=w= 3.7 ev

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Physics, 26.10.2019 06:43, wheeler2455

Six automobiles are initially traveling at the indicated velocities. the automobiles have different masses and velocities. the drivers step on the brakes and all automobiles are brought to rest. red car: 1000kg, 10m/s yellow car: 2,000kg, 5m/s blue car: 500kg, 20m/s light blue car: 1,000kg, 20m/s green car: 500kg, 10m/s purple car: 4,000kg, 5m/s part a rank these automobiles based on the magnitude of their momentum before the brakes are applied, from largest to smallest. rank from largest to smallest. to rank items as equivalent, overlap them. part b rank these automobiles based on the magnitude of the impulse needed to stop them, from largest to smallest. rank from largest to smallest. to rank items as equivalent, overlap them. part c rank the automobiles based on the magnitude of the force needed to stop them, from largest to smallest. rank from largest to smallest. to rank items as equivalent, overlap them.

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Chemistry, 31.10.2019 02:31, levicorey846

Rank the solutions in order of decreasing [h3o+]. rank solutions from largest to smallest hydronium ion concentration. to rank items as equivalent, overlap them. 0.10 m hc2h3o20.10~ m~ h c subscript2 h subscript3 o subscript2 0.10 m hf0.10~ m~ h f 0.10 m hbr0.10~ m~ h b r 0.10 m hc6h5o0.10~ m~ h c subscript6 h subscript5 o

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Chemistry, 12.11.2019 22:31, danielajimenezowfsvp

The size of ions as measured by ionic radii varies in a systematic manner. the size of the ion can be explained in part by effective nuclear charge, zeff, which is the net nuclear charge felt by an electron. the effective nuclear charge takes into account the actual nuclear charge and the shielding of this charge by inner electrons. when an atom loses electrons, the resulting cation is smaller both because the remaining electrons experience a larger zeff and because these electrons are usually in orbitals closer to the nucleus than the electrons that were lost. the more electrons that are lost, the smaller the ion becomepart arank the following ions in order of decreasing radius: rb+,k+,li+,cs+, and na+.rank from largest to smallest radius. to rank items as equivalent, overlap them.part brank the following items in order of decreasing radius: ca, ca2+, and ca2−.rank from largest to smallest radius. to rank items as equivalent, overlap them.part cthe following ions contain the same number of electrons. rank them in order of decreasing ionic radii.cl^- ; ca^2+ ; s^2- ; k+ ; p^3-; sc^3+rank from largest to smallest radius. to rank items as equivalent, overlap them.

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Rank the following elements in order of decreasing atomic radius.
br, f, cl, i
rank from...

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