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Vladimir79 [104]
3 years ago
14

What periodic element is from Europe

Chemistry
2 answers:
Natasha2012 [34]3 years ago
8 0
I think it would be Europium
masya89 [10]3 years ago
3 0

Answer:

Europium

Explanation:

Europium

Europium was isolated in 1901 and is named after the continent of Europe.

Europium - Wikipediaen.wikipedia.org › wiki › Europium

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Which option describes energy being released as heat?
Mnenie [13.5K]

Answer:

I’m pretty sure it’s Lions sleeping after a big meal

Explanation:

8 0
3 years ago
Read 2 more answers
An element is a mixture of two isotopes.one isotope has an atomic mass of 34.969 amu and an abundance of 64.88
skad [1K]

An element is a mixture of two isotopes. One isotope has an atomic mass of 34.969 amu and an abundance of 64.88%. The other isotope has an atomic mass 36.966 amu.


5 0
3 years ago
What is the density of a substance that weighs 340g and has a volume of 40cm3?
jeka94

Answer:

<h2>8.5 g/cm³</h2>

Explanation:

The density of a substance can be found by using the formula

density =  \frac{mass}{volume} \\

From the question we have

density =  \frac{340}{40}  =  \frac{17}{2}  \\

We have the final answer as

<h3>8.5 g/cm³</h3>

Hope this helps you

5 0
3 years ago
Which of the following is not a possible termination step in the free radical chlorination of methane? Group of answer choices ∙
vagabundo [1.1K]

Answer: first option is not a termination

∙CH3 + Cl2 → CH3Cl + Cl∙

Explanation:

Since a radical is formed as part of the product it means it's a propagation step and not a termination step, at termination no free radical exist as product

7 0
3 years ago
Look at the diagram below , which shows gas particles in a container. If the piston was lowered, so that the size of the contain
raketka [301]

The pressure of the gas is expected to increase in accordance to Boyle's law.

<h3>What is Boyle's law?</h3>

Boyle's law states that, the volume of a given mass of gas is inversely proportional to its pressure at constant temperature.

By implication, when the piston is lowered and the volume of the gas is decreased, the pressure of the gas is expected to increase in accordance to Boyle's law.

Learn more about Boyle's law: brainly.com/question/1437490

3 0
2 years ago
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