Science Experiments

Nitrogen is the 7th element in the Periodic Table (Atomic number). It's located in the 2nd period and group IIIa (13) in the periodic table. It has 7 electrons: 2 in the K orbit, 5 in the L orbit.

Its symbol is (N) and its relative atomic mass is 14.01. Its electronegativity is 3.0.

Boiling point is -195.8°C, melting point -218.4°C, density is 1.85 at 20°C. Oxidation number is -II and electron configuration is 1s22s22p3.

It has hexagonal chrystal structure and a amphoteric acid-base property.

depends how big you want it to be. average 100$

It all depends on the substance and its physical properties. For example, salt water can be separated by boiling the water and letting the salt remain.

i think people these days are trying to cotrol the hydregen bonds because that may effect

used a qualitative colourimetric test for the detection of cholesterol

A diploid cell with an extra chromosome. Basically a diploid with an extra chromosome of one type, producing a chromosome number of the form 2n + l.

For that one minute, that the grain of sand drops, the amazement of the world is presented right before your very own eyes.

I think that is what might mean ?

maybe not...

CaCO3 (calcium carbonate) is a mild base, and as such reacts to neutralise acids.

Vinegar is a dilute solution of acetic acid (AcH).

CaCO3 + 2AcH --> H2O + CO2 + CaAc

when using mass spectrometry to look at what they had made after their experiments with carbon, the scientists saw that the two most abundant forms of carbon made were c60 and c70. C60 can be organised into a football shape made from pentagons and hexagons, and to increase the football shape's size while keeping it geometrically symmetrical you need 10 more carbon atoms, which would explain why there were both c60 and c70 molecules in large quantities. This was considered proof that it had to be the shape of a football, because otherwise there would not be c70 aswell.

I believe that this has to do with comparitive relative densities of a. the liquid under consideration b. the actual hydrometeor.

The decibel level of a rat depends on the measurig distance to the rat. The closer you are to the mouth of the rat the louder the noise you can measure will be.

a pendulum

evaporation; the water evaporated to the air

The process of osmosis.

The parts of an experiment that stay the same.

It is not necassary to have a catchy title, however it helps as it makes your project stick in the judges' mind.

Ya yo

According to Sci-fiction. It is a beam created by the infamous Aurora Cannon, created in 2014 AD During WWIII. This cannon fires a mesospherifical beam that induces an aurora borialis that will elevate the surface of the effected area to 1000F.

According to Pokemon, Aurora Beam is an Ice-type attack learnt by some Pokemon. It is often learnt upon the levelling up of particular Pokemon. It deals damage relative to the types of the opponent's Pokemon and has a 10% chance of lowering the opponent's Attack by one point.

kassandra stinks

This is a physical change. You only change the shape and size of an apple by slicing it. Chemical changes would mean changing the molecular composition of the apple.

What is the difference in the hardness between glass and fiber glass

a hypothesis

Hold a magnet over it and the iron will fly out of the salt and stick to it, and the salt will stay there.

The food that moLds the fastest is milk.