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Semmy [17]
2 years ago
14

Gallium, Ga, is a low-melting metal that is used in semiconductors. It is atomic number 31. The

Chemistry
1 answer:
Pavel [41]2 years ago
4 0

Answer:

answer no.1

1s²2s²2p⁶3s²3p⁶4s²3d¹⁰4p¹

Explanation:

if you are not sure..between 1st and 2nd just sum all the "exponents" and you should get the atomic number.. in this case 31.

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Diano4ka-milaya [45]

Answer:

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6 0
3 years ago
Plz answer ASAP!
Alchen [17]
What types of atoms typically form covalent bonds?

The correct answer:

d) Nonmetals with nonmetals, because their difference in electronegativity is below 1.7.

En example to explain:
An example of a covalent bonding: HCl -> 2 nonmentals
-> a difference in electronegativity less than 1.7:

EN(Cl) = 3.0 and EN (H) = 2.1 (you can search these values in a periodic table)
/\EN = 3.0 - 2.1 = 0.9

0.9 < 1.7

I hope this helped you out!
4 0
3 years ago
Read 2 more answers
For the reaction: CH₃OH(g) + heat ↔ CO(g) + 2H₂(g) How will the equilibrium shift if the overall pressure is decreased?
MakcuM [25]

Answer:

To the right

Explanation:

CH₃OH(g) + heat <=> CO(g) + 2H₂(g)

According to Le Chatelier's principle, a decrease in pressure will shift the equilibrium position to the side where there is a higher volume.

From the balanced equation above,

Volume of reactant = 1

Volume of product = 1 + 2 = 3

From the above, we can see that the volume of the gasous product is higher than the volume of the gasous reactant.

Therefore, a decrease in the pressure of the system will shift the equilibrium position to the right.

7 0
3 years ago
Which is warmer -30C or -30 F?​
Burka [1]

-30°C is more warmer than -30°F...!

<h2>How??</h2>
  • Always Celsius is warmer than farheniet and also in coldness Celsius is colder than farheneit.
8 0
2 years ago
Read 2 more answers
Why doesn’t a broken wineglass spontaneously fix itself, from a thermodynamic point of view?
Anarel [89]
C. Fixing a wineglass requires a large decrease in entropy.
4 0
3 years ago
Read 2 more answers
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