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fgiga [73]
2 years ago
13

Which element easily loses one electron to form a positive ion? (AKS 1c/DOK 1)

Chemistry
1 answer:
Lena [83]2 years ago
8 0

Answer:

Potassium

Explanation:

It's in group 1 in the periodic table of elements

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All of the following use digitized signals to encode and transmit information EXCEPT:
eimsori [14]

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5 0
3 years ago
A chemical process dissolves 500 milligrams of iron oxide every 20 minutes. How long would it take this reaction to dissolve 2 l
stiv31 [10]

Answer:

36290 min = 604.8 hr.

Explanation:

  • Knowing that:

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∴ 2 lbs = 907.18474 grams.

<em><u>Using cross multiplication:</u></em>

500 mg of iron oxide dissolved → 20 minutes.

907184.74 mg of iron oxide dissolved → ??? minutes.

<em>∴ The time needed to dissolve 2 lbs of iron oxide =</em> (907184.74 mg)(20 min)/(500 mg) = <em>36290 min = 604.8 hr.</em>

4 0
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slamgirl [31]

Answer:

D

Explanation:

The indivisibility of an atom was proved wrong an atom can be further subdivided into protons, neutrons and electrons. However an atom is the smallest particle that takes part in chemical reactions......

hope i helped

pls mark brainliest,,,,,thanks

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