Why is beryllium-8 different from beryllium-9 in terms of the nuclear particles?

Chemistry

1 answer:

Helen [10]3 years ago

6 0

Answer:

Beryllium-8 (8Be, Be-8) is a radionuclide with 4 neutrons and 4 protons. It is an unbound resonance and nominally an isotope of beryllium. It decays into two alpha particles with a half-life on the order of 10−16 seconds; this has important ramifications in stellar nucleosynthesis as it creates a bottleneck in the creation of heavier chemical elements. The properties of 8Be have also led to speculation on the fine tuning of the Universe, and theoretical investigations on cosmological evolution had 8Be been stable.

Explanation:

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Nitric acid is a highly reactive acid with the chemical formula HNO3. It is a clear, colorless and odorless liquid at room tempe

Vikentia [17]

Nitric acid, is a highly corrosive mineral acid. The pure compound is colorless, but older samples tend to acquire a yellow cast due to decomposition into oxides of nitrogen and water.

There are THREE different elements and a total of FIVE atoms in nitric acid.

The formula for nitric acid is HNO3. This means there is one atom of hydrogen, one atom of nitrogen, and three atoms of oxygen in one molecule of nitric acid.

So, Thus, your answer will be FIVE if you're counting the molecules but if you are counting the elements then it is THREE.

-Snooky

4 0

3 years ago

Blowing carbon dioxide gas into a solution of magnesium oxide will form what product?

AlekseyPX

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➷ It would form magnesium carbonate.

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