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How does ionisation energy change down a group?

Ionisation energy is the energy required to remove one mole of electrons from gaseous atoms. As you go down the group there are more orbitals so the outer electron which you will remove becomes further fr...

AS
6137 Views

Are referendums an effective way to assess public opinion?

Referendums are often praised for providing a country’s citizens with an approximation of direct democracy. Whereas elections enable eligible voters to give their mandate to a particular politician or par...

FM
4180 Views

Integrate tan (x) with respect to x.

I = ∫ Tan (x) dx= ∫ (sin(x)) / (cos(x)) dx

We see that this is close to the standard integral  F'(x) / F(x) dx Ln (F(x)) + C

MH
Answered by Matthew H. Maths tutor
11843 Views

Was könnte man machen, um die Umwelt zu retten?

Es gibt wirklich vieles, was man machen könnte, um die Umwelt zu retten, aber dafür braucht man Zeit und Motivation. Wenn möglich sollte man erstens versuchen, auf das Auto zu verzichten und stattdessen d...

DN
Answered by Dhruv N. German tutor
2133 Views

What is electrical current?

How much electrical charge has been transferred per second (from the relationship Q=It) charge = current x time.

SH
Answered by Suzanna H. Physics tutor
2183 Views

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