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katrin2010 [14]
3 years ago
10

Can someone help me with this question

Chemistry
1 answer:
Alja [10]3 years ago
7 0

Answer:

Ionic- Ions

Covalent- Molecules

Explanation:

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To form a stable ion will magnesium gain or lose electrons how many electrons
pashok25 [27]
The electronic structure of Magnesium is 2,8,2
so in order to form a stable ions, it will lose 2 electrons.
Now, the proton number of Mg is 12, electron number is 10.
It will show positive charge.
Conclusion: Mg will lose 2 electrons to form Mg2+. 
4 0
3 years ago
A graduated cylinder has 100 mL of water in it. A rock is then placed in the cylinder
gulaghasi [49]

Answer:

105-100=5 ,

{5cm}^{3 }

8 0
3 years ago
Write a balanced equation for the formation of co2 g from c s and o2 g
devlian [24]

Answer:

C (s) + O2 (g) > CO2 (g)

That's what I got

6 0
3 years ago
Hydrogen may not be advantagous as a fuel because-------
sergeinik [125]

Answer:

Hydrogen may not be advantageous as a fuel because...

- Its expensive

- Its difficult to store

- Its highly flammable

- Its dependent on fossil fuels

Explanation:

Its expensive - Not only is hydrogen gas expensive, but it also takes a lot of work to free from other elements. It is both expensive and time-consuming to produce.

Its difficult to store - Moving hydrogen is not an easy task. Moving anything more than small amounts of hydrogen was also very expensive, making it impractical.

Its highly flammable - When exposed to the atmosphere, hydrogen could potentially form explosive mixtures.

Its dependent on fossil fuels - Hydrogen energy itself is renewable. However, the process of separating it from oxygen uses non-renewable sources such as coal and oil.

~Hope this Helps!~

7 0
3 years ago
->
never [62]

Answer:

The answer to your question is probably false

7 0
3 years ago
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