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How do I work out what the ionic charge is for different elements in the periodic table?

The useful thing is that different elements have been grouped together on the periodic table so that it's easy to see which ones share something in common. Group 1 elements become 1+, Group 2 becomes 2+, Gro...
JL
Answered by Jasmine L. • Chemistry tutor
5840 Views

Why is the probability of inheriting Cystic Fibrosis 25% if both parents are only carriers? How did you get that figure?

(This would be after I have introduced the punnett square - I will draw this out for the student) Remember that each parent contributes one allele for a given gene to their offspring. For cystic fibrosis we ...
JL
Answered by Jasmine L. • Biology tutor
8782 Views

Starting with [extract from ch15], write about how Shelley presents the importance of love and acceptance to society.

Shelley presents the monster as someone who ‘yearned’ for love and ‘required kindness and sympathy’, showing that love and acceptance of others is felt by and needed by all people, even ones as different fro...
KH
8283 Views

What's the difference between a public sector business and a public limited company?

The business world is divided into the public sector and private sector. Public sector businesses are run by the government and often provide necessities like electricity or bus services. The private sector ...
RG
33889 Views

How do you factorise x^2 -4 = 0?

x 2 -4=0 becomes (x+2)(x-2)=0 Either one of the two brackets has the value of 0. If the first bracket is zero, then x+2=0, therefore x=-2 If the second bracket is zero, then x-2=0, therefore x=2
JC
Answered by Jawad C. • Maths tutor
4175 Views