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Why is zinc not considered a transition metal?

The electron configuration of zinc is [Ar]4s²3d¹⁰. The only oxidative state which zinc has is Zn²⁺ in which its configuration is [Ar] (4s⁰⁾3d¹⁰, as t...

Answered by Niall S. • Chemistry tutor

51408 Views

How do you solve the simultaneous equations x^2+y=1 and -x+y=-1

First rearrange the second equation so that it's equal to y. You do this by adding x and y to both sides of the equation. You should then have y=x-1. Next you should sub y=x-1 into the first equation, x

Answered by Chloe M. • Maths tutor

3308 Views

How can non-disjunction lead to down syndrome?

Non- disjunction in meiosis can take place at both anaphase I and II. When there is an error in the separation of homologous chromosomes (anaphase I) or sister chromatids (anaphase II), one of the gametes...

Answered by Niall S. • Biology tutor

10943 Views

How should I approach an unseen comparative analysis of two texts?

There are several skills that need to be demonstrated in order to create a strong comparative unseen essay. Firstly general competence in literary studies must be shown through good communication and know...

Answered by Rebecca W. • English Literature tutor

6351 Views

What is the role of bile in digestion?

Bile basically has the same function as washing up liquid, it makes it easier to break down fatty material. It is released by the liver, and stored in the gall bladder, before being released into the smal...

Answered by Kalyan M. • Biology tutor

16751 Views