3 years ago

What does an ion have that an atom does not?

1 answer:

8 0

Answer:

Atoms are neutral; they contain the same number of protons as electrons. By definition, an ion is an electrically charged particle produced by either removing electrons from a neutral atom to give a positive ion or adding electrons to a neutral atom to give a negative ion.

Explanation:

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What molecules must the plant take in so the process of photosynthesis can occur

lilavasa [31]

Answer:

Glucose molecules

Explanation:

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3 years ago

If you were givin 2.50 moles of.sodium bromide, how many grams of salt do you have

mihalych1998 [28]

Answer: 257.23

Explanation:

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3 years ago

Find the density of a material given that a 5.03g sample occupies 3.24ml

Verizon [17]

Formula for density:

D = Mass / Volume

Mass = 5.03g

Volume = 3.24ml

Formula in our case:

D = 5.03 / 3.24

$D = 0.31~g/m^{3}$

Hope it helped,

BioTeacher101

3 0

4 years ago

2Al(s)+Fe2O3(s) → Al2O(s)+2Fe(s) with a delta H=-847 KJ.

Scrat [10]

∆H for given reaction -847kJ

As it's negative reaction is exothermic

2 mol of Al releases 847KJ heat

4 mol Al releases

2(847)
1694KJ

∆H=-1694KJ

5 0

2 years ago

9) After lab, all of Darrel’s friends looked at his data and laughed and laughed. They told him that he was 30.8% too low in the

zaharov [31]

If he was 30.8% too low, it means that he was at 69.2% of the boiling point needed. So 50o C is 69.2% of total.

In order to know what 100% is, you can divide the number by it's percentage and then multiply it by a hundred.

So: 50/30.8=1.623
1.623*100=162.3
So the correct boiling point of the liquid he was working with in the lab is 162.3 oC

3 0

4 years ago

Read 2 more answers