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3 years ago

A team of scientists claim that they have discovered a new experimental

Chemistry

1 answer:

valentina_108 [34]3 years ago

3 0

Answer:

Option C

Explanation:

The new method must support the law of definite proportions which means that if one mole of compound is distributed percentage wise then the sum of % share of each element must be equal to one mole of compound and this percentage distribution always remains the same in all conditions

Hence, option C is correct

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Hellllppppp lons Worksheet

Iteru [2.4K]

The metals will lose electrons while the non metals will gain electrons in order to attain octet structure.

An ion can be cation (positively charged) or anion (negatively charged).

Cations attain octet structure (8) by losing electron(s) while anions become stable or attains octet structure (8) by gaining electron(s).

The remaining elements are completed as follows to attain octet structure;

Element--valence electron--electrons to gain--electrons to lose--ion formed

O ------------ 6 ---------------------- 2 ------------------------ none -------------- $O^{2-}$

Ca -------- 2 ----------------------- none ---------------------- 2 ------------------ $Ca^{2+}$

Br ----------- 7 --------------------- 1 ------------------------ none --------------- $Br^{-}$

S ------------ 6 ----------------------- 2 ------------------------ none --------------- $S^{2-}$

Cl ------------ 7 ----------------------- 1 ------------------------ none ---------------- $Cl^{-}$

K -------------- 1 ----------------------- none ----------------------- 1 ------------------ $K^{+}$

Mg ------------ 2 ---------------------- none ---------------------- 2 ---------------- $Mg^{2+}$

Be ------------- 2 ---------------------- none ---------------------- 2 ---------------- $Be^{2+}$

Learn more here: brainly.com/question/21089350

8 0

3 years ago

Suppose you had 2.0158 grams of hydrogen (H2).

katrin [286]

Answer:

2 moles for the first 2 questions and 100g of water

Explanation:

4 0

3 years ago

2Ag(s) + S(s) -> Ag2S(s)

ArbitrLikvidat [17]

Answer:

Sulphur

Explanation:

Sulphur because we been 2 ag for 1 s therefore 0.312 S will need 0.624 of Ag

6 0

2 years ago

What keeps the electrons in a atom and the atomic radius of the atom

postnew [5]

Answer:

The gain of an electron adds more electrons to the outermost shell which increases the radius because there are now more electrons further away from the nucleus and there are more electrons to pull towards the nucleus so the pull becomes slightly weaker than of the neutral atom and causes an increase in atomic radius.GOOD LESSONS ♡

8 0

3 years ago

Read 2 more answers

How mass affects the volume of the solid?

Katena32 [7]

We can say that the volume of the object is directly proportional to its mass. As the volume increases the mass of the object increases in direct proportion. The gradient of the graph equals the density of the material.

4 0

2 years ago