During radioactive decay, atomic nuclei of unstable isotopes: give off nuclear radiation

Answers

Answer 1

Answer: If this is a true/false question the answer would be true. Since nuclear reactions involve the nucleus the nuclear radiation would need to be coming from the nucleus since the reaction is not happening anywhere else.

I hope this helps. Let me know in the comments if the question was asking something else or if my answer is unclear.

Answer 2

Answer:

Answer:

Radioactive decay

Explanation:

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How can you tell when a solution is formed?

Answers

You may tell when a solution os formed when the item or particle, such as sugar or salt,
dissolves completely in the solvent, such as water.

Basically, you know when a solution is formed when the material you have placed in the solvent disappears :P

When the solute is completely dissolved into the solvent.

Which statement correctly compares an atom of an alkali metal with an atom of the alkaline earth metal next to it on the periodic table?The alkali metal atom forms a +1 ion, while the alkaline earth metal atom forms a +2 ion.
The alkali metal atom forms a +2 ion, while the alkaline earth metal atom forms a +1 ion.
The alkali metal atom has one less shell of electrons than the atom of the alkaline earth metal.
The alkali metal atom has one more shell of electrons than the atom of the alkaline earth metal.

Answers

Answer: The alkali metal atom forms a +1 ion, while the alkaline earth metal atom forms a +2 ion.

Explanation: Group 1 elements are called as alkali metals and group 2 elements are called as alkaline earth metals.

For example, Li is an alkali metal and Be is an alkaline earth metal.

Lithium(Li) has an atomic number of 3 and the electronic configuration is:

Li: $1s^22s^1$

Thus lithium has to lose 1 electron and acquire 1+ charge to attain nearest noble gas configuration.

$Li^+:1s^2$

Berrylium(Be) has an atomic number of 4 and the electronic configuration is:

Be: $1s^22s^2$

Thus berrylium has to lose 2 electrons and acquire 2+ charge to attain nearest noble gas configuration.

$Be^(2+):1s^2$

Answer:

Explanation:

Which of the following is a chemical property of vinegar? A. The pH of vinegar is around 2.4. B. Vinegar freezes at around 2°C. C. Vinegar boils at about 100°C. D. The color of vinegar ranges from colorless to brown. E. Vinegar is a transparent liquid.

Answers

I think the correct answer from the choices listed above is option A. The chemical property of a vinegar is that the pH of vinegar is around 2.4. It tells something about the concentration of hydrogen ions in the solution. The other choices given only describe the physical properties of the substance.

Answer:

Explanation:

trust me bro

Why carbon is a basic thing to classify as organic and inorganic compounds?

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Answer:

To answer, all living organisms contain carbon-based compounds, which classifies them organic.

Simply, carbon dioxide, is an example of an inorganic compound since it does not contain both carbon and hydrogen. Alternatively, one molecule of carbon dioxide contains one atom of carbon and two atoms of oxygen.

How to figure out if compounds are electrolytes

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An electrolyte is a compound that dissolved into its ions when placed into a solvent such as water (the ions can carry an electric charge). An easy way to test whether something is an electrolyte is by placing the substance in Deionized water and testing if the resulting solution can carry a current. If the resulting solution can carry a current, the substance is an electrolyte. I hope this helps. Let me know if anything is unclear.

How many grams are in 4.5 moles of Li2O?

Answers

ur answer is 134.1 grams

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