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Mkey [24]
2 years ago
14

Convert these pressures:

Chemistry
1 answer:
barxatty [35]2 years ago
7 0
This should help

1 kPa = 1000 pascals (Pa)
1 mmHg = 133.322 pascals (Pa)
kPa value x 1000 Pa = mmHg value x 133.322 Pa.
kPa value = mmHg value x 0.133322
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Answer:

Its atomic mass increases by 1

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Explanation:

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insens350 [35]

Answer:

1. hydrogen - H

2. helium - He

3. sodium - Na

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Explanation:

Hydrogen is the element of group 1 and first period. The atomic number of hydrogen is 1 and the symbol of the element is H.

The electronic configuration of the element hydrogen is:-

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Helium is the element of group 18 and first period. The atomic number of helium is 2 and the symbol of the element is He.

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The electronic configuration of the element sodium is:-

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Magnesium is the element of group 2 and third period. The atomic number of magnesium is 12 and the symbol of the element is Mg.

The electronic configuration of the element magnesium is:-

1s^22s^22p^63s^2

Potassium is the element of group 1 and forth period. The atomic number of potassium is 19 and the symbol of the element is K.

The electronic configuration of the element potassium is:-

1s^22s^22p^63s^23p^64s^1

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