Biology, 20.01.2021 06:00 bomniekay

Why is it important to know about electron shell of an atom? What does it tell you about the atom?

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Answer from: tibbs283

In general, atoms are most stable, least reactive, when their outermost electron shell is full. Most of the elements important in biology need eight electrons in their outermost shell in order to be stable, and this rule of thumb is known as the octet rule.

This atomic number tells you the number of protons and electrons in an atom. ... The atomic mass tells us the weight of protons and neutrons.

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Answer from: shawn379

An electron shell is the outside part of an atom around the atomic nucleus. It is a group of atomic orbitals with the same value of the principal quantum number n
n
. Electron shells have one or more electron subshells, or sublevels. The name for electron shells comes from the Bohr model, in which groups of electrons were believed to go around the nucleus at certain distances, so that their orbits formed "shells".

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Answer from: Quest

metamorphism is the change of minerals or geologic texture (distinct arrangement of minerals) in pre-existing rocks (protoliths), without the protolith melting into liquid magma (a solid-state change). the change occurs primarily due to heat, pressure, and the introduction of chemically active fluids. i hoped i !

Answer from: Quest

the glands which are associated with each description is given below:

pancreas - is an endocrine and exocrine gland that secretes juices with enzymes for digestion. salivary glands- with protection and digestion in the mouth. liver- secretes bile for digestion. lachrymal glands - secrete tears to moisten eyes and protect them from particles and infection. sweat gland -regulates water, salt, and temperature. oil glands - to form a protective barrier on the skin. goblet cells - secrete mucus for protection.

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