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trapecia [35]
3 years ago
15

Describe a covalent bond?

Chemistry
1 answer:
Natasha2012 [34]3 years ago
7 0
A covalent bond, also called a molecular bond, is a chemical bond that involves the sharing of electron pairs between atoms. These electron pairs are known as shared pairs or bonding pairs, and the stable balance of attractive and repulsive forces between atoms, when they share electrons, is known as covalent bonding.
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find the mass of an object which is acted upon by a force of 650 n to produce an acceleration of 10m/ s2​
Andreas93 [3]

Answer:

Explanation:

Mass = 650/10 = 65

7 0
3 years ago
When metal atoms combine chemically with atoms of other elements, what do they usually do?
Fiesta28 [93]

Answer:

Maybe I know too much chemistry but how the metals (and the non-metals) react depends on where they are in the Periodic Table. The metals in groups I and II over on the far left side are explosively reactive and loose electrons and form ionic bonds. Examples: Na+1 has lost 1 electron and Li+2 has lost 2 electrons. The metals in the higher groups are more confusing but most of them share outer shell electrons and form covalent bonds. Examples: Fe2O3 (rust) where Iron shares 2X3 electrons with Oxygen which shares 3X2 electrons. Confused enough? :-)

The answer you'll be expected to give depends on the subject of the chapter you're studying. If you're studying covalent bonds, then the answer will probably be "form covalent bonds". If you're studying ionic bonds, then the answer will be "lose electrons".

Explanation:

This may not be the answer... I'm sorry if it's not

8 0
3 years ago
Calculate the amount of solvent needed to prepare 50g of 10% solution of Tincture iodine. Name the solvent.
sergeinik [125]

Answer:

Calculate the amount of solvent needed to prepare 50g of 10% solution of tincture Iodine.

Name the solvent

Explanation:

sodium

Hope it is helpful.....

7 0
3 years ago
When C2H4(g) reacts with H2O(g) to form CH3CH2OH(g) according to the following equation, energy is released into the surrounding
kirill [66]

Answer:

Exothermic

General Formulas and Concepts:

<u>Chemistry</u>

<u>Thermodynamics</u>

  • Exothermic - releases heat as a product
  • Endothermic - absorbs heat as a reactant

Explanation:

We are given that the reaction takes place between C₂H₄ (g) and H₂O (g) to form CH₃CH₂OH (g) and is <em>releasing heat</em>.

This means that heat would be product as it is being released during the reaction.

Therefore, we have an exothermic reaction.

3 0
3 years ago
Coal, which is formed from the decomposed remains of dead plants and animals, is an example of
Natalka [10]
The answer is b. Fossil fuel
6 0
3 years ago
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