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Akimi4 [234]
2 years ago
7

Can sombody pls help me with this​

Chemistry
1 answer:
luda_lava [24]2 years ago
6 0
Wouldn’t it be half of each? For 36 I guess is 18 and 54 will be 27, (NOT SURE)
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Gold is formed in pure state in nature but not iron,why?​
ss7ja [257]

Gold is found in pure state in nature but not the iron because gold is un-reactive metal, so it does not react with other element in normal condition but iron is reactive metal so it reacts with atmospheric oxygen in presence of moist (water) to form oxide.

Explanation:

I hope it'll help you.

5 0
2 years ago
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Please help with 14-16 <br> Thank you!
Natalka [10]
I don't know about 14, but 15 is (4), because a liquid draws in heat to turn into a gas. 16 is (2), because to turn into a cold solid, something has to release heat.
4 0
3 years ago
The Lewis dot model of a molecule is shown.
Katen [24]

Answer:

Carbon has a total of four bonded pairs of electrons around it.

Explanation:

Since there are four "lines" around the C (which stands for Carbon), we can conclude that Carbon has a total of four bonded pairs of electrons around it.

3 0
3 years ago
The figure represents a solid block of copper metal in a beaker at 30°C Which of the following best represents the particle arra
maria [59]

Answer:

35

Explanation:

i think it is 30

6 0
3 years ago
Phenolphthalein solution is used as an indicator of acids and bases. If added to an ammonia-based solution of window cleaner, we
leva [86]
I don’t know but look up the ph of ammonia and if it is below 7 then it is yellow and if it is above 7 then blue
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3 years ago
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