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Nesterboy [21]
2 years ago
7

Members of which group easily lose an electron to form a +1 cation? halogens alkaline earth metals noble gases alkali metals

Chemistry
2 answers:
sp2606 [1]2 years ago
7 0

I think the correct answer from the choices listed above is option D. Members of the alkali metals easily lose an electron to form a +1 cation. The halogens represents element like F, Cl which easily gain an electron. Alkaline earth metals represents element like Mg, Ca which easily lose two electrons.

Kryger [21]2 years ago
5 0

Answer:

D. Members of the alkali metals easily lose an electron to form a +1 cation. The halogens represents element like F, Cl which easily gain an electron. Alkaline earth metals represents element like Mg, Ca which easily lose two electrons.

Explanation:

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How much mass (in grams) is in a 3.25 mol sample of NH4OH?
Sergeeva-Olga [200]

Answer:

114 grams

Explanation:

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3 years ago
_________ heat is the amount of heat required to change the temperature of 1 gram of a substance by 1 degree Celsius​
Vlada [557]

Answer:

<u>Specific heat capacity</u> is the amount of heat required to change the temperature of 1 gram of a substance by 1 degree Celsius​

Explanation:

Specific heat capacity:

It is the amount of heat required to raise the temperature of one gram of substance by one degree.

Formula:

Q = m.c. ΔT

Q = amount of heat absorbed or released

m = mass of given substance

c = specific heat capacity of substance

ΔT = change in temperature

The substances with higher value of specific heat capacity require more heat to raise the temperature by one degree as compared the substances having low value of specific heat capacity.For example,

The specific heat capacity of oil is 1.57 j/g. K and for water is 4.18 j/g.K. So, water take a time to increase its temperature by one degree by absorbing more heat while oil will heat up faster by absorbing less amount of heat.

Consider that both oil and water have same mass of 5g and change in temperature is 15 K. Thus amount of heat thy absorbed to raise the temperature is,

For oil:

Q = m.c. ΔT

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