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andreyandreev [35.5K]
3 years ago
13

During nuclear decay, if the atomic number decreases by one but the mass number is unchanged, the radiation emitted is

Chemistry
1 answer:
Artemon [7]3 years ago
8 0

Answer:

A beta particle

Explanation:

The radioactive particle must undergo a beta decay to have the mass number unchanged but the atomic number to have decreased by one.

This type of beta decay results in the emission of a positron which is a type of beta particle. It resembles an electron but it has a positive charge of 1.

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Chemicals that are able to slow or stop the reaction rate are inhibitors. reactants. products. catalysts.
erma4kov [3.2K]

Answer:inhibitors

Explanation:

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7 0
3 years ago
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Calculate the concentration of all ions present in each of the following solutions of strong electrolytes. a. 0.100 mole of Ca(N
pickupchik [31]

Answer:

[Ca²⁺] = 1M

[NO₃⁻] = 2M

Explanation:

Calcium nitrate dissociates in water as follows:

Ca(NO₃)₂ ⇒ Ca²⁺ + 2NO₃⁻

The moles of Ca²⁺ can be found using the molar relationship between Ca(NO₃)₂ and Ca²⁺

(0.100mol Ca(NO₃)₂) (Ca²⁺ /Ca(NO₃)₂) = 0.100 mol Ca²⁺

The concentration of Ca²⁺  is then:

[Ca²⁺] = n/V = (0.100mol)/(100.0mL) x (1000ml)/(1L) = 1M

Similarly, moles of NO₃⁻ can be found using the molar relationship between Ca(NO₃)₂ and NO₃⁻:

(0.100mol Ca(NO₃)₂) (2NO₃⁻/Ca(NO₃)₂) = 0.200 mol NO₃⁻

The concentration of NO₃⁻ is then:

[NO₃⁻] = (0.200mol)/(100.0mL) x (1000ml)/(1L) = 2M

6 0
3 years ago
Which of these compounds are molecular?<br> CBr4<br> FeS<br> P4O6<br> PbF2
olasank [31]

Answer:

I think it's answer is P4O6

I hope it's helpful for you...

8 0
3 years ago
Mercury has a density of <br> 13.55 g/mL .What would be the volume of a 122 g sample?
Salsk061 [2.6K]

Answer:

V = 9.0037

Explanation:

V = M/D

V = 122/13.55

V = 9.0037

4 0
3 years ago
What are the other types of particles that make up a water particle?​
Neko [114]

Answer:Well, if you mean atoms, it has 2 Hydrogen atoms and 1 Oxygen.

Explanation:Water is H20 therefore, it has 2 Hydrogen atoms and 1 Oxygen. Water isn't made up of particles, they are made of atoms.

3 0
3 years ago
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