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Mademuasel [1]
3 years ago
5

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

Chemistry
1 answer:
Kisachek [45]3 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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What is the molecular geometry around a central atom that is sp3d hybridized and has three sigma bonds and two lone electron-pai
Evgen [1.6K]
Sp^3d hybridization means that there is a total of 5 electron regions, with two lone paid, the molecular shape would be T-shaped
5 0
3 years ago
K2SO4(aq) + Ba(NO3)2(aq) → 2KNO3(aq) + BaSO4(s)
umka2103 [35]
That would be BaSO4(s)     ( s  means solid)
5 0
3 years ago
Read 2 more answers
How much water needs to be added
Olegator [25]

Answer:

165 ml

Explanation:

We are given;

Initial volume; V_a = 55 ml

Initial molarity; M_a = 3 M

Molarity of desired solution; M_b = 0.75 M

Volume of desired solution; V_b = (55 + x) ml

Where x is the volume of water to be added.

To solve for V_b, we will use the equation ;

M_a•V_a = M_b•V_b

V_b = (M_a•V_a)/M_b

V_b = (3 × 55)/0.75

V_b = 220 mL

Thus;

(55 + x) = 220

x = 220 - 55

x = 165 mL

8 0
3 years ago
Why is a chemical equilibrium described as dynamic?
Mariulka [41]

Answer:

Chemical equilibrium is also called as dynamic equilibrium because it in chemical equilibrium, the equilibrium can shift towards both sides that is reactant and product known as equilibrium shifting. And in chemical equilibrium, the reaction is going on but the rate of formation of reaction is equals to the rate of formation of product.

Hope this helps!

8 0
3 years ago
If a diatomic molecule has a vibrational force constant of k=240 kg s-2 and a reduced mass of 1.627x10-27 kg, its vibrational fr
asambeis [7]

Answer:

2040 cm-1

Explanation:

The vibrations frequency is obtained from;

v=1/2πc √k/μ

Where;

k= force constant = 240kgs-2

μ= reduced mass = 1.627×10^-27 kg

c= speed of light= 3×10^10cms-1

v= 1/2×3.142×3×10^10√240/1.627×10^-27

v= 5.3×10^-12 × 3.84×10^14

v= 20.4×10^2

v= 2040 cm-1

8 0
3 years ago
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