3 years ago

What happens to elements when they gain energy

Chemistry

2 answers:

Lana71 [14]3 years ago

6 0

Electrons jump to higher orbits and the entire atom moves around more energetically

kati45 [8]3 years ago

4 0

They loose a valence electron

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Chlorine reacts with sodium and with hydrogen.

Sonbull [250]

Answer:

Sodium Chloride has Ionic bond while Hydrogen Chloride has covalent bond.

Explanation:

Na has 11 electrons (2, 8, 1) and need to give away 1 electron to be stable

Cl has 17 electrons ( 2, 8, 7) and needs 1 electron to be stable.

Na transfers 1 electron to CL to form Ionic bond.

While

Hydrogen has 1 electron and shares with Chlorine to be stable.

Covalent bond involves sharing.

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2 years ago

How many grams in 11.9 moles of sulfur? Avogadro’s number: 6.02x1023 atoms = 1 mole Molar mass of sulfur: 32.06 g sulfur = 1 mol

sergiy2304 [10]

Answer:

Mass = 0.37 g

Explanation:

Given data:

Number of moles of sulfur = 11.9 mol

Mass of sulfur in 11.9 mol = ?

Molar mass of sulfur = 32.06 g

Solution:

Number of moles = mass/molar mass

by putting values,

11.9 mol = mass/ 32.06 g/mol

Mass = 11.9 mol × 32.06 g/mol

Mass = 0.37 g

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Answer:

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6.25 g of HCl(g), a strong acid, is dissolved in water to make a 280-ml solution.

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The web site of the Nobel Prize explains that readers who want to inspect the Curies' notebooks must sign a paper

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Answer: anemia because Marie curie died of anemia

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