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How do I draw a dot and cross diagram to show covalent bonds?

Start by identifying the atoms that are going to be bonded to each other, for example, two hydrogen atoms, and then work out how many electrons are in the outer shell of those atoms. Hydrogen only has one el...
FR
11443 Views

How do I translate the expression "small talk" into Spanish?

La traducción literal de "small talk" sería: pequeña charla. Sin embargo, hay pocas traducciones que se puedan hacer de una lengua a otra de manera literal. Si se dijera "pequeña charla",...
JA
Answered by Julia A. • Spanish tutor
2619 Views

How to solve the following simultaneous equations? Equation 1: 3x+y=10 Equation 2: 2x-y=5

There are 2 easiest and quickest ways to approach this question: 1). By elimination: When using the elimination method, you want to make sure that you choose the correct variable to eliminate to ensure only ...
AC
Answered by Angel C. • Maths tutor
9635 Views

How do I ask a question in French?

Suppose you want to ask someone if they are tired. You need to start with a declarative sentence: "Tu es fatigué", which means "You are tired" There are two methods you can use to ask a q...
MH
Answered by Matthis H. • French tutor
4163 Views

Explain the concept of recessive and dominant alleles

Firstly it is always good to relate such a concept with an example that is easily remembered and therefore easily applied. Alleles refer to alternate forms of the same gene, which code for a particular trait...
JC
Answered by Juliette C. • Biology tutor
6672 Views