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arsen [322]
3 years ago
8

If a +2 ion has 18 electrons, what element is it

Chemistry
1 answer:
Eduardwww [97]3 years ago
3 0
Calcium. i believe this is the correct element
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How many eight-packs of water would you need if 32 people
bonufazy [111]

Answer:

You would need 8 eight packs of water

Explanation:

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= 64 divided by 8 (the amount of water in each pack)

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5 0
3 years ago
The density of water is 1.00 gram/milliliter. What is the volume in milliliters of 1.00 mole of water? Express your answer to th
Kay [80]

Answer: 18.0152 milliliters

Explanation:

Hi, to answer this question we have to apply the next formula:

Water volume = water mass / water density

Since 1 mol of water weights 18.0152 grams

Replacing with the values and solving:

Water volume = 18.0152 g / 1 g /ml = 18.0152 milliliters

Feel free to ask for more if needed or if you did not understand something.  

5 0
4 years ago
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