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How many electrons in each shell does Phosphorus have?
Phosphorous has 2 elements in K-shell, 8 in L-shell and 5 in M-shell.
How many electrons can the second shell of an atom hold?
First Shell always has 2 electrons. Second shell onwards can have up to a maximum of 8 electrons.
How many electrons are in each shell for silicon 1-6?
1st shell: 2 electrons, 2nd shell: 8 electrons, 3rd shell: 8 electrons, 4th shell: 4 electrons, 5th shell: 0 electrons, 6th shell: 0 electrons.
How many middle shell does aluminum have?
Aluminum has 3 electron shells, with the middle shell being the second shell. This second shell is also known as the innermost shell of valence electrons.
What element has 2 electrons in the first shell 8 second shell and 6 in the third shell?
This element is sulfur (S), with 2 electrons in the first shell, 8 electrons in the second shell, and 6 electrons in the third shell.
Is a fossil a mineralized shell?
Yes it is.
What is the function of the shell membrane?
The shell membrane is a thin tissue structure upon which the mineralized shell is built.
What is the key difference between the shell on the left and the cast fossil on the right?
The key difference between the shell on the left and the cast fossil on the right lies in their formation. The shell is a physical structure that was once part of a living organism, while the cast fossil represents a replica of the original shell's shape created by sediment filling in the mold left behind after the shell decayed or was removed. Essentially, the shell is the original material, whereas the cast fossil is a mineralized impression.
What is the crayfish shell composed of?
The crayfish shell, or exoskeleton, is primarily composed of chitin, a tough, flexible polysaccharide that provides structural support. This chitin is often mineralized with calcium carbonate, which adds strength and rigidity to the shell. Together, these materials help protect the crayfish from predators and environmental factors while allowing for growth through molting.
What is the egg shell of insects made up?
Insect eggshells vary both in shape and in what the eggshell is made from. Some eggshells are softer and made from mostly protein, other eggshells are harder and can be made from dehydrated or mineralized proteins.
What is the most mineralized tissue in the body?
The most mineralized tissue in the body is enamel, which is the hard outer layer of the teeth. It is primarily composed of hydroxyapatite, a mineralized form of calcium phosphate that makes it the hardest substance in the human body. Enamel provides protection to the underlying dentin and helps in chewing and biting food.
Is the matrix of cartilage mineralized?
The matrix of cartilage is not mineralized; it is primarily composed of water, collagen fibers, and proteoglycans, which provide elasticity and resilience. Unlike bone, which has a mineralized matrix rich in hydroxyapatite, cartilage maintains its flexible and supportive structure without mineralization. This lack of mineralization allows cartilage to serve its functions in joints and other areas effectively.
Where can a mineralized foosil be found?
Mineralized fossils can be found in sedimentary rocks such as shale, limestone, and sandstone. They are often located in areas where there was once a high concentration of marine life, such as ancient seabeds or riverbeds. Paleontologists and fossil collectors frequently search for mineralized fossils in regions known for their fossil-rich deposits.
Does Arthropods have a rigid outer covering called mantle?
No, the rigid outer covering of arthropods is usually called the exoskeleton. In biology the mantle is a major anatomical component of a different phylum - molluscs, the tissue which contains the internal organs and in many molluscs responsible for secreting the mineralized outer shell.
This is the mineralized remains of plants or animals?
It is called replacement .
What is osteocyte and where can it be found?
They are encased in mineralized bone matrix. So basically it is embedded in bone.
What does the scrambled word ELIOPNAC spell out?
Copaline, which is a partly mineralized copal dug from the ground.
