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3 years ago

What are synthetic elements

Chemistry

2 answers:

JulijaS [17]3 years ago

7 0

Answer: A synthetic element is 1 of 24 chemical elements that do not occur on earth

Explanation:

it is created by humans

kogti [31]3 years ago

6 0

Synthetic elements are radioactive elements do not occur in earth naturally but are artificially made isotopes, thus called as "synthetic", "man-made" or "artificial".

<u>Explanation:</u>

The elements having atomic numbers 95-118 are said to be synthetic elements. It is created by the bombardment of heavy element, such as uranium or plutonium, with alpha particles or neutrons.

All the synthetic elements are said to be unstable, decay at varying rate so they are not produced in large quantities their half lives starts from 15.6 million years to few hundred microseconds.

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Read 2 more answers

The molar mass of barium nitrate (ba(no3)2) is 261.35 g/mol. what is the mass of 5.30 × 1022 formula units of ba(no3)2? 0.0900 g

liberstina [14]

Molar mass is the ratio of the mass to that amount of the substance. The mass of the barium nitrate in the formula unit is 23.0 grams.

The mass of a substance is the product of the molar mass of the compound and the number of moles of the compound.

Given,

Molar mass of barium nitrate = 261.35 g/mol

If, $6.022 \times 10^{23}$ have a mass of 261.35 g/mol then, $5.30 \times 10^{22}$ formula units will have a mass of,

$\begin{aligned}& = \dfrac{261.35 \times 5.30 \times 10^{22}}{6.022\times 10^{23}}\\\\&= 23.0\;\rm gm\end{aligned}$

Therefore, option C. 23.0 gm is the mass of barium nitrate.

Learn more about mass here:

brainly.com/question/24958554

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1 year ago

How is a "decay event' recorded

mrs_skeptik [129]

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2 years ago