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DochEvi [55]
3 years ago
6

An atom of fluorine has an atomic mass of 19 u. Keeping in mind that its atomic number is 9, what can you infer about this atom?

Chemistry
1 answer:
Oliga [24]3 years ago
8 0
The fluorine atom has a neutron number of 10 it also have 10 valence electrons
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Nitrous oxide (N2O) is used as an anesthetic (laughing gas) and in aerosol cans to produce whipped cream. It is also a potent gr
scZoUnD [109]

Answer:

five half lives

Explanation:

Half-life is the time required for a quantity to reduce to half of its initial value.

How many half lives it would take to reach 3.13% form 100% of it's initial concentration:

100% - 50% : First Half life

50% - 25%: Second Half life

25% - 12.5%: Third Half life

12.5% - 6.25%: Fourth Half life

6.25% - 3.125%: Fifth Half life

This means it would take five half lives to get to 3.125% (≈ 3.13%) of it's original concentration.

3 0
3 years ago
Practice by predicting what would happen if the following underwent beta decay: (2
saw5 [17]

Answer:

See explanation and image attached

Explanation:

During beta emission, neutrons are converted into protons and electrons. The anti neutrino balances the spins.

When a nucleus undergoes beta emission, the mass number of the daughter nucleus produced in the process is the same as that of the parent nucleus but the atomic number of the daughter nucleus increases by one unit.

The product of the beta decay of the nuclides shown in the question is described in the image attached to this answer.

5 0
3 years ago
Why does blowing carbon dioxide gas into aqueous barium hydroxide reduce?
Oksana_A [137]
<span>If one chooses to blow carbon dioxide gas into aqueous barium hydroxide it will reduce. This happens because the ions become removed from the solution and in turn this decreases the conductivity of it.</span>
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4 years ago
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Why does tire pressure change with temperature? Explain why the atoms are interacting in the certain way, How temperature plays
Wittaler [7]

The main reason behind this is Boyle's law and Gay Lussacs law

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If temperature will be more Pressure will be more

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In order from less complex to more complex, which level of organization is directly after tissue?
bearhunter [10]

Answer:

i believe it is A. Organ

Explanation:

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3 years ago
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