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Mademuasel [1]
4 years ago
5

What are three common types of radioactivity given off by unstable atoms? How are they

Chemistry
1 answer:
Kisachek [45]4 years ago
4 0

Answer:

<h3>ALPHA DECAY</h3>

Alpha decay or α-decay is a type of radioactive decay in which an atomic nucleus emits an alpha particle and thereby transforms or 'decays' into a different atomic nucleus, with a mass number that is reduced by four and an atomic number that is reduced by two.

<h3>BETA DECAY</h3>

Beta decay is one process that unstable atoms can use to become more stable

in beta DECAY parent nuclide has proton number increased by 1 and mass number is same

<h3>GAMMA DECAY</h3>

Gamma decay is one type of radioactive decay that a nucleus can undergo. What separates this type of decay process from alpha or beta decay is that no particles are ejected from the nucleus when it undergoes this type of decay. Instead, a high energy form of electromagnetic radiation - a gamma ray photon - is released. Gamma rays are simply photons that have extremely high energies which are highly ionizing.[1] As well, gamma radiation is unique in the sense that undergoing gamma decay does not change the structure or composition of the atom. Instead, it only changes the energy of the atom s

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A 8.249 gram sample of copper is heated in the presence of excess fluorine. A metal fluoride is formed with a mass of 13.18 g. D
levacccp [35]

Answer:

CuF_2 the empirical formula of the metal fluoride.

Explanation:

Mass of copper heated = 8.249 g

Mass of copper fluoride formed = 13.18 g

Mass of fluorine gas in copper fluoride = x

13.18 g = 8.249 g + x\\x= 13.18 - 8.249 g = 4.931 g

Moles of copper :

= \frac{8.249 g}{63.546 g/mol}=0.1298 mol

Moles of fluorine:

= \frac{4.931 g}{18.998 g/mol}=0.2596 mol

For the empirical formula divide the smallest mole of an element with all the moles of elements present in the compound.

Copper= \frac{0.1298 mol}{0.1298 mol}=1\\Fluorine = \frac{0.2596 mol}{0.1298 mol}=2

The empirical formula of the copper fluoride = CuF_2

CuF_2 the empirical formula of the metal fluoride.

6 0
3 years ago
On the cooling curve below, between points Dand Ethe substance is changing from
Irina-Kira [14]
Gas to solid ( a ) is correct i think
6 0
3 years ago
Scientists often _________________________ and _______________________ to help them interpret complex ideas. *
Ray Of Light [21]

Answer:

no sir

Explanation:

8 0
3 years ago
How many grams of liquid water are produced when 60 grams of ice melt?
yarga [219]

Answer: 60 Grams of water are produced, because you can't get more than the amount that was in the original ice cube

Explanation:

7 0
3 years ago
if 10 ml of acetone (60) is diluted with water to a total solution volume of 200 ml, what is the percent by volume of acetone in
sergey [27]

Answer:

5%

Explanation:

Given parameters:

Volume of original acetone before dilution = 10ml

Volume of diluted solution = 200ml

Unknown:

Percent volume of acetone in the solution = ?

Solution:

To find the percent volume of acetone in the diluted solution, use the expression below;

 Percent volume of acetone = \frac{volume of original acetone}{diluted volume}  x 100

Insert the parameters and solve;

 Percent volume of acetone  = \frac{10}{200}  x 100 = 5%

6 0
3 years ago
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