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Gre4nikov [31]
3 years ago
12

Which description best matches Democritus idea of the atom?

Chemistry
1 answer:
puteri [66]3 years ago
4 0
Democritus said that the atom was just a sphere.
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Express each of the following answers in the IUPAC format. Do not include any capitals or spaces in your name. Separate multiple
lorasvet [3.4K]

The full question is shown in the image attached

Answer:

See explanation

Explanation:

In naming an alkane, the first thing we do is to obtain the parent chain by counting the number of carbon atoms in the chain.

When we obtain that, then we identify the substituents and number them in such a way that they have the lowest numbers. The compounds shown have the following names according to the order in which the structures appear in the image attached;

1. 2-methyl propane

2. 2,4-dimethyl heptane

3. 2,2,3,3-tetramethyl butane

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3 years ago
The most dangerous form of skin cancer which is often caused by over exposure to ultraviolet radiation is what?
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UV exposure that leads to sunburn is proven in developing melanoma, the most dangerous of the three most common types of skin cancer.
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3 years ago
What are glaze defects or flaws​
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2. STEM The mass of an atom of helium is about 4.002 atomic units.
Anit [1.1K]

Answer:

The approximate mass of beryllium is 9.0045 u.

Explanation:

Given data:

mass of helium= 4.002 u

mass of beryllium which is 2.25 times of mass of helium= ?

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we will multiply the mass of helium with 2.25 times,

4.002 u × 2.25 = 9.0045 u

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3 years ago
Which element is non-metallic and a gas at room temperature?
ANEK [815]

Answer:

Notrogen(N)

Explanation:

Plz mark me as brilliant

7 0
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