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What is a Group 1 Element?

Group one elements are all metals. They are known as the Alkaline Metals. All of these element atoms have one electron on their outer shell. This means that, when they react, they lose this one electron to g...
LH
Answered by Lara H. • Chemistry tutor
6938 Views

The circle (x-3)^2 +(x-2)^2 = 20 has centre C. Write down the radius of the circle and the coordinates of C.

Radius = square root of 20 Centre = (3,2)
JN
Answered by Jessica N. • Maths tutor
5304 Views

What is the exact answer to (1^3 + 2^3 + 3^3)^(0.5) ?

+6 or -6
JN
Answered by Jessica N. • Maths tutor
4526 Views

Liquid ammonia (NH3) and water (H2O) both show hydrogen bonding, describe what a hydrogen bond is and what it is conferred by

A hydrogen bond forms between the positive dipole of one molecule and the negative dipole of another molecule. They can be represented on a diagram with a dashed line perpendicular (at 90˚) to the bond angle...
BH
Answered by Ben H. • Chemistry tutor
26165 Views

When should I use the accusative case?

The accusative is used for the direct object of a sentence. The direct object is the word (normally a noun) that receives the action of the verb. Example:Der Hund frisst den Toast - The dog eats the toastHer...
TB
Answered by Tom B. • German tutor
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