- Translated from Portuguese language:
"The word atom has a Greek origin, meaning indivisible. Why was this term chosen to describe the particles that form matter? Is the atom really indivisible?".
Answer:
- An atom is termed as the basic unit for generating or creation of the different complex structures, as they are characterized by the different shapes and properties due to position or alignment of the different number of atoms inside the given parameters or are of the object.
- It was a belief in the early times that atom is not divisible further in to small sub atomic parts, this concept was improved by the experiments of the cathode ray tube etc.
Explanation:
- However, the atom is comprised of the following subatomic particles which are as follows:
- The nucleus is comprised of the protons(positrons) and neutrons.
- While, the outer region or the cloud is comprised of the electrons inside the different shells and orbits.
So, one at a time: I'm attaching a picture of the punnet squares (hard to make on the computer (and you can simplify the ratios down):
4. HHnn x hhNN
All offspring are HhNn; 100% same genotype (HhNn); 100% phenotype of short, normal
5. HhNn x HhNn
Genotypes and ratio:
HHNN(1): HHNn(2): HhNN(2):HhNn(4):HHnn(1):Hhnn(2): hhNN(1):hhNn(2):hhnn(1)
Phenotypes and ratio:
Short normal (9): short colorpoint(3):Long normal (3): Long colorpoint (1)
6. TtNn x ttnn
Genotypes and ratio:
TtNn(4):Ttnn(4):ttNn(4):ttnn(4) (which is 1:1:1:1)
Phenotypes and ratio:
Tabby normal (1): Tabby colorpoint (1): Stripless normal (1): stripless colorpoint (1)
7. hhNn x hhNn
hhNN(4): hhNn(8):hhnn(4)
short normal (12): short colorpoint (4)
The correct answer is: D. 3H2 + N2 → 2NH3
Ammonia (NH3) is a colourless gas with a characteristic pungent smell with wide use. Ammonia is a common nitrogenous waste, specially among aquatic organisms, and it is a precursor to food and fertilizers to terrestrial organisms. It is used as building block for the synthesis of many pharmaceutical products and cleaning products.
