Does the percent by mass of each element in a compound depend on the amount of that element used to make the compound? Explain.

Chemistry

1 answer:

Lena [83]2 years ago

7 0

No, the percent by mass of each element in compound does not depend on the amount of element used to make the compound

The mass percent of each element in a compound is by definition, the compound's percent composition. 100% of the compound is represented by the molar mass. the composition of the elements is fixed in each compound. according do law of multiple proportions different compounds may be formed with same elements but in different proportions.so percent by mass of each element does not depend on amount of element used to make compound

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Black_prince [1.1K]

Answer:

1= Magnesium

2 = Option 3 = 1s² 2s² 2p⁶

Explanation:

An electrically neutral atom consist of equal number of protons and electrons.

The answer for 1st q is magnesium because the electronic configuration showed twelve number of electrons. The atomic number of magnesium is twelve that's why this configuration is of Mg.

Mg₁₂ = 1s² 2s² 2p⁶ 3s²

The second answer is option three because has atomic number ten and third electronic configuration have ten electrons.

Ne₁₀ = 1s² 2s² 2p⁶

It is stable electronic configuration. Neon is inert because of this electronic configuration. The outer most shell is completely filled.

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3 years ago

An ate or ite at the end of a compound name usually indicates that the compound contains___________.

Ymorist [56]

Answer:

Explanation:

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