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natta225 [31]
3 years ago
14

Is this correct? also for the mass i have to round it to the closest whole number

Chemistry
1 answer:
11Alexandr11 [23.1K]3 years ago
8 0
A lithium atom has 3 protons and 3 electrons. It can lose one of its electrons, making it an ion. It now has more positive protons than electrons so it has an overall positive charge. Overall charge is +1
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According to Table I, which equation represents a change resulting in the greatest quantity of energy released?
love history [14]
The answer is 3. The releasing of energy means exothermic reaction. So the ΔH should be negative. And the greatest quantity of energy released means that the greatest number. So according to the table I, the answer is 3.
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What is 57.048 rounded to three significant figures?
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57.0 is it rounded to three sig figs. You count three spaces then round from there, which would be the zero and you would round down because the four is there.
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3 years ago
Describe ways a lack of water could affect cell functions?
ladessa [460]

The way a lack of water could affect cell functions is that cell membranes would lack structure.

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4 0
1 year ago
In the sodium-potassium pump, sodium ion release causes two K ions to be released into the cell. __________________ True False
Solnce55 [7]

Answer:

false

Explanation:

As we know that in sodium-potassium pump .          

sodium potassium move 3Na+ outside the cells          

and  moving 2k+ inside the cells                        

so that we can say that given statement is false    

Answer FALSE                                                      

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3 years ago
Help me please I need to pass this test
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Answer:

It could be B or C eighter one

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