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vredina [299]
3 years ago
13

8 Which elements have the most similar chemical properties?

Chemistry
2 answers:
gulaghasi [49]3 years ago
6 0
Silicon, Arsenic, and Tellurium all sit on the metal/nonmetal boundary

Magnesium, Strontium, and Barium are in the same group (Group 2)

Nitrogen, Oxygen, and Flourine are all non-metals in the same period

Calcium, Caesium, and Copper start with the same letter

So (3) Mg, Sr and Ba is the correct answer
Digiron [165]3 years ago
3 0
Elements in the same group have simimlar chemical properties due to their identical valence electron shells. Since it is mainly the valence shell involved in chemical reactions, chemical properties tend to depend heavily on valence shell electron configuration. That is why the elements in choice 3) have the most similar chemical properties.
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If 30.943 g of a liquid occupy a space of 35.0 ml. What is the density of the liquid in g/cm3?
timofeeve [1]
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30.943g / 35ml = 0.88408571g/ml 

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BTW, I found this information on this wedsite: https://www.answers.com/Q/Where_did_heroin_get_its_name

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What volume will be occupied by .756 mole of gas at 109 kPa and 30.5 degrees C
olga2289 [7]

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Does a full moon really affect behavior?
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What does the concentration of reactants to affect the reaction rate
horsena [70]

Higher concentrations of reactants = More collisions between molecules = More possible reactions between the molecules = Higher reaction rate

<h3>What is concentration?</h3>

A solution is made up of two components, solute and solvent. In chemistry, we define the concentration of solution as the amount of solute dissolved in the solution.

Increasing the concentration of reactants generally increases the rate of reaction because more of the reacting molecules or ions are present to form the reaction products. This is especially true when concentrations are low and few molecules or ions are reacting.

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Learn more about the concentration here:

brainly.com/question/10725862

#SPJ1

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