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Chemistry

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Kayleigh Waelchi

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Cards in this guide (16)
What is Li3N name

Li3N is lithium nitride

How is electroplating done

the metal on which electroplating is to be done is taken as cathode ( negative electrode) . the metal of which electroplating is to be done is taken as anode ( positive electrode) and the salt solution of the metal of which electroplating is to be done is taken as electrolyte .

example-

if we want to electroplate iron with copper then iron is taken as cathode and copper is taken as anode and electrolyte is copper sulphate.Electroplating is the process of plating one metal onto another by hydrolysis, most commonly for decorative purposes. This is done through the use of copper in a copper sulfate bath.

A molecule having four total electron groups around the central atom has three bonding electron groups and one nonbonding electron group what is its molecular structure

trigonal pyramidal

What kind of information do unit conversions give

unit conversions give an equal amount but with other units

What best describes a bond formed between two unlike atoms

The type of bond is determined by the difference in electrongativity of atoms

What happens to the atomic radius when an electron is gained

The negative ionic radius is larger than the neutral atomic radius

How many total electrons can the d orbitals hold

10

How does the shape of a molecule affect the polarity of the molecule

C.A molecule that has a symmetrical shape will be a nonpolar molecule.

What types of anode

the two types of anode is stationary anode and rotating anode

What happens to the atomic radius when an electron is lost

The positive ionic radius is smaller than the neutral atomic radius

What pieces of information is given in a half reaction

The number of electrons transferred in the reaction . . APEX c;

What would be the percent yield of the reaction be if the theoretical yield is 11.22 g but the actual yield was 8.67 g

In this case the yield is 77,27 %.

Which of the following has the largest radius K plus Na plus Na or K

Potassium has the largest atomic radius.

How would 0.000000728 be written in scientific notation

It is 7.28*10^-7 in scientific notation

What of the following best describes electroplating

Depositing one metal on another

Which molecule or ion has a linear shape

BeCl2

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