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laila [671]
3 years ago
6

How do ionic compounds form crystals

Chemistry
1 answer:
pickupchik [31]3 years ago
4 0

Answer:

Ionic compounds form when metals transfer valence electrons to nonmetals. Ionic compounds exist as crystals rather than molecules. A crystal consists of many alternating positive and negative ions bonded together in a matrix.

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Match each decimal number to the correct scientific notation.
Effectus [21]

3.07 × 10^4=30,700

3.07 × 10^-4=0.000307

3.07 × 10^-6=0.00000307

3.07 × 10^6=3,070,000



5 0
3 years ago
Read 2 more answers
What is the mass of a 2.5 mole sample of MgO2
MrRa [10]
Mass = no. of moles x molecular weight
m = n x Mr
m = 2.5 mol x (24 + [16 x 2])
m = 140g
6 0
3 years ago
A sample of liquid has a mass of 24 grams and a volume of 16 mL what is the density
viktelen [127]

Answer:

<h3>The answer is 1.5 g/mL</h3>

Explanation:

The density of a substance can be found by using the formula

density =  \frac{mass}{volume} \\

From the question we have

density =  \frac{24}{16}  =  \frac{3}{2}  \\

We have the final answer as

<h3>1.5 g/mL</h3>

Hope this helps you

6 0
3 years ago
Read 2 more answers
Convert the following to grams, <br> a. 0.100 moles of CO2
Svetlanka [38]
.100 mol CO2 x \frac{44.01 g}{1 mol}
using the values of the periodic you first add the masses of C (12.01g) and O (there are two so it'll be 32.00g). That value will give the mass of 1mole of CO2.


I hate to do this, but
https://youtu.be/Pft2CASl0M0 is a link to a mr andersen video. I dislike watching these cause this is what my teacher uses instead of actually having to teach herself.
3 0
3 years ago
A cheetah can go from a state of resting to running at 20 m/s in just two seconds. What is the cheetah's average acceleration?
soldier1979 [14.2K]

Answer:

D is answer ..... !!!!!!!!.......!!!!!!#.#.....

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