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Dennis_Churaev [7]
3 years ago
5

How the heck do i do this

Chemistry
1 answer:
Dimas [21]3 years ago
6 0
2. A cell is basic unit of structure

It will take me a bit to get the others
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Why is there a large increase between the first and second ionization energies of the alkali metals
aivan3 [116]

Explanation:

Alkali metals forms the group 1 of the modern periodic table. They include Lithium, sodium, potassium, rubidium, cesium, and francium.

The general electronic configuration of the alkali metals -ns^1. They have 1 valence electron.

Ionization energy is the minimum amount of energy which is required to knock out the loosely bound valence electron from the isolated gaseous atom.

<u>Thus, removal of the valence electron leads to the alkali metals having noble gas electronic configuration and which is stable. Thus, the removal of the second electron is very tough and thus, there a large increase between the first and second ionization energies of the alkali metals.</u>

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3 years ago
What attracts heat more? black or aluminum foil?​
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3 years ago
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8.
kipiarov [429]

Answer:

Mitosis takes place in four stages: prophase (sometimes divided into early prophase and prometaphase), metaphase, anaphase, and telophase. You can learn more about these stages in the video on mitosis. In cytokinesis, the cytoplasm of the cell is split in two, making two new cells.

3 0
3 years ago
The relative atomic mass of an element is
balu736 [363]

Answer:

A

Explanation:

compare it to carbon 12 I believe

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What happens to the luminosity of stars in the main sequence as temperature decreases
sladkih [1.3K]
As the size of a star increases, luminosity increases. If you think about it, a larger star has more surface area. That increased surface area allows more light and energy to be given off. Temperature also affects a star's luminosity.
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