What is the difference between a terrestrial planet and a gas giant

1 answer:

6 0

Gas Giants are usually bigger than Terrestrial Planets. Gas Giants also have thicker atmospheres, and have gaseous surfaces. Terrestrial planet tend to be smaller, and have solid surfaces. In our solar system, Mercury, Venus, Earth (home), and Mars are Terrestrial planets. While Jupiter, Saturn, Uranus (the planet), and Neptune are Gas Giants. Gas Giants are also known as Jovian planets.

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HELP ASAP 30 POINTS

allsm [11]

Answer:

Explanation:

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What is the product if an atom of Po-209<br> undergoes alpha decay?

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<h3>Answer:</h3>

Lead-205 (Pb-205)

<h3>Explanation:</h3>

<u>We are given;</u>

An atom of Po-209

We are supposed to identify its product after an alpha decay;

Polonium-209 has a mass number of 209 and an atomic number of 84.
When an element undergoes an alpha decay, the mass number decreases by 4 while the atomic number decreases by 2.
Therefore, when Po-209 undergoes alpha decay it results to the formation of a product with a mass number of 205 and atomic number of 82.
The product from this decay is Pb-205, because Pb-205 has a mass number of 205 and atomic number 82.

The equation for the decay is;

²⁰⁹₈₄Po → ²⁰⁵₈₂Pb + ⁴₂He

Note; An alpha particle is represented by a helium nucleus, ⁴₂He.

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answer B the rock is purple

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Research benzene and list two modern-day commercial uses for his chemical

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Benzene is used for pesticides and detergents. It is also used for other things besides these.

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Create the Lewis structure of CF4. NOTE: do only the step asked for in each part and then click Check–don't work ahead to solve

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To create the Lewis structure we need to take into account the octet rule: atoms tend to gain, lose or share electrons to complete their valence shell with 8 electrons.

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F belongs to Group 7A in the periodic table so it has 7 valence electrons. Each F needs to share 1 pair of electrons to complete the octet.

As a consequence, in CF₄, C will form a single bond with each F and all the octets will be complete.

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