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RUDIKE [14]
2 years ago
8

Nonmetals gain electrons under certain conditions to attain a noble gas electron configuration. How many electrons must be gaine

d by the element hydrogen ( H ) to attain noble gas electron configuration?
Chemistry
1 answer:
gogolik [260]2 years ago
6 0

Answer:

1

Explanation:

For non metals to attain a noble gas configuration, they gain the number of electrons needed to attain the noble gas configuration of the noble gas at the end of their periods. This means that these non metals would only take up the configuration of the last element on their periods which of course is always a noble gas.

The last element on the hydrogen period or more conservatively the only other element on the hydrogen period is helium, with an atomic number of 2. The atomic number is the number of protons in he nucleus of an atom. For an electrically neutral atom, the number of electrons equal the number of protons.

Hence we can deduce that helium has 2 electrons while hydrogen has one electron. Thus for it to attain the configuration of helium, it just needs to gain one more electron

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Which pair of elements will form a covalent bond?
Dominik [7]

Answer: Option (A) is the correct answer.

Explanation:

A covalent bond is formed when there occurs sharing of electrons between atoms.

For example, in hydrogen atom there is one electron in its orbit and in a chlorine atom there is 7 valence electron. So, in order to attain stability both hydrogen and chlorine share electrons when they come close to each other.

Whereas except hydrogen and chlorine rest of the given atoms will form ionic bond, that is, bond formed by transfer of electrons.

Thus, we can conclude that a pair of hydrogen and chlorine will form a covalent bond.

7 0
3 years ago
Read 2 more answers
What do destructive forces do
mrs_skeptik [129]

Answer:

they destroy or break stuff i think lol hope this helps

Explanation:

6 0
2 years ago
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En una planta de energía, se produce CO2 gracias a la reacción de combustión del material orgánico con oxígeno para producir CO2
Mamont248 [21]

Answer:

a. Gases ideales: relación entre todas las variables que influyen sobre los gases

Explanation:

La ecuación del gas ideal da la relación entre las variables; presión, volumen, temperatura y número de moles.

Según la ecuación del gas ideal; PV = nRT

P = presión del gas

V = volumen del gas

n = Número de moles del gas

R = constante de gas

T = temperatura del gas

El número de moles de SO2 se obtiene de;

n = PV / RT

n = 0,5 * 25 / 0,082 * 373

n = 12,5 / 30,586

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6 0
2 years ago
One gram of glass will rise 20° C when------------calories of heat are applied
astra-53 [7]

Answer:

3.2 Calories

Explanation:

Here we will use a formula

Heat added in calories = Mass of glass x Increase in temperature x specific heat of glass  

As we know that, specific heat is the amount of energy required to raise the temperature of one gram of any substance by 1°C. It has a constant value for every substance and for glass the specific heat  is .16 calories/gm

Incorporating the values of mass (m), temperature(T) and  specific heat (c) in formula.

     calories (small calories) = l.0 g x 20 degrees x .16 calories/gm/°C

                                                      = 3.2 calories


Hope it helps:)

6 0
3 years ago
Theories are built upon testing many ________?<br>A).laws.<br>B).Hypothese.<br>C).Facts.​
Delicious77 [7]

Answer:

B. Hypothese

Explanation:

7 0
3 years ago
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