3 years ago

HELP PLSSSS!!!!! How reactive are the Noble Gases? Do they follow the usual trend for nonmetal reactivity?

Chemistry

2 answers:

sattari [20]3 years ago

8 0

Answer:

Normal Acivity

Explanation:

zaharov [31]3 years ago

3 0

Answer:

Noble gases are not reactive at all since they are stable. 2. I dont think so.

Explanation:

Look at the answer

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<h3>Further explanation</h3>

Given

Sample waste of Co-60 = 14.5 g

26.5 years in storage

Required

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Solution

General formulas used in decay:

$\large{\boxed{\bold{N_t=N_0(\dfrac{1}{2})^{t/t\frac{1}{2} }}}$

t = duration of decay

t 1/2 = half-life

N₀ = the number of initial radioactive atoms

Nt = the number of radioactive atoms left after decaying during T time

Half-life of Co-60 = 5.3 years

Input the value :

$\tt 14.5=No.\dfrac{1}{2}^{26.5/5.3}\\\\14.5=No.\dfrac{1}{2}^5\\\\No=\boxed{\bold{464~g}}$

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