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Mashutka [201]
2 years ago
12

Which element is not an alkali metal?

Chemistry
2 answers:
irinina [24]2 years ago
5 0

Answer:

hydrogen, lithium, sodium element are not alkali metal

jasenka [17]2 years ago
4 0

Hello!

Answer:

Hydrogen

Explanation:

Hydrogen (H) has one electron in its outermost shell, but it is not classed as an alkali metal since it is not a metal but a gas at room temperature.

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An example of two class b fuels would be
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How is the behavior of electrons in an ionic bond different from the behavior of electrons in a covalent bond?
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The correct answer is "Electrons are transferred in an ionic bond"

Explanation:

The covalent bond is the chemical bond between atoms where electrons are shared, forming a molecule. Covalent bonds are established between non-metallic elements, such as hydrogen H, oxygen O and chlorine Cl. These elements have many electrons in their outermost level (valence electrons) and have a tendency to gain electrons to acquire the stability of the electronic structure of noble gas. The shared electron pair is common to the two atoms and holds them together.

An ionic bond is produced between metallic and non-metallic atoms, where electrons are completely transferred from one atom to another. During this process, one atom loses electrons and another one gains them, forming ions. Usually, the metal gives up its electrons forming a cation to the nonmetal element, which forms an anion.

In conclusion, chemical bonds are made so that atoms can have their entire outer layer, and thus have a stable electronic configuration. In the ionic bond, when the metallic atom has only one electron in its outer layer and the non-metallic one needs an electron to complete its layer; The metallic atom seats its electron to the non-metallic one. In the same way, the electron is shared in the covalent bond in order to achieve equilibrium.  

Then, the main differences between the two bonds are that the ionic bond occurs between two different atoms (metallic and non-metallic), while the covalent bond occurs between two equal atoms (non-metallic). And in the covalent bond there is an electron compartment, while in the ionic bond there is an electron transfer.

So, the correct answer is "Electrons are transferred in an ionic bond"

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according to shape, size, and their relationship to surrounding layers of rock

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Scientists classify intrusive features according to their shape, size and relationship to surrounding layers of rocks.

Intrusive igneous features are the sills, di/kes, batholith, laccoiith, lopolith e.t.c

  • When magma cools and solidifies within the earth crust, they form intrusive igneous rocks.
  • Intrusive igneous rocks differs from one another in their shape, size and relationship to surrounding rocks.
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