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aleksley [76]
2 years ago
5

Which element has chemical properties that are most similar to potassium, And why?

Chemistry
1 answer:
bekas [8.4K]2 years ago
8 0

Answer:

Brainliest pls

Explanation:

The components potassium and sodium have comparable substance properties since they have a similar number of valence electrons

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How many formula units is 213 g of PbCl2?
Strike441 [17]

Answer:

4.61 x 10^23

Explanation: Convert 213g of PbCl2 to mol, which is 0.7658950184462004, multiply 0.765 with 6.022 x 10^23.

4 0
3 years ago
Calcium and water form calcium hydroxide and hydrogen gas also called what type of reaction
Gekata [30.6K]
Reaction of calcium with water
Calcium reacts slowly with water. This is in contrast with magnesium, immediately above calcium in the periodic table, which is virtually unreactive with cold water. The reaction forms calcium hydroxide, Ca(OH)2 and hydrogen gas (H2).
4 0
3 years ago
What element is in the 3 rd period and 7th family
aleksley [76]

Pokémon is it that's the anwser

4 0
3 years ago
Read 2 more answers
Is C8H18 an electrolyte or non-electrolyte
podryga [215]

C₈H₁₈ is a non-electrolyte

Why?

Electrolytes are substances that dissociate into ions when dissolved in water. In order to do that, they need to have bonds that are polar enough to be able to dissociate, and the ions formed need to be soluble in water.

C₈H₁₈ is a compound that has a low electronegativity difference between its atoms, making it to be a covalent compound where electrons are shared, and making it non-polar, and difficult to dissociate. Thus, it is a non-electrolyte.

One possible structure for C₈H₁₈ is attached below. It's called octane.

Have a nice day!

#LearnwithBrainly

4 0
3 years ago
If 850. mL of linseed oil has a mass of 620. g, calculate the density of linseed oil.
meriva

Answer:

<h3>The answer is 0.73 g/mL</h3>

Explanation:

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

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

From the question

mass = 620 g

volume = 850 mL

We have

density =  \frac{620}{850}   \\  = 0.7294117647...

We have the final answer as

<h3>0.73 g/mL</h3>

Hope this helps you

3 0
3 years ago
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