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MrRa [10]
3 years ago
14

Isotopes of the same element have a different number of ______​

Chemistry
1 answer:
qaws [65]3 years ago
5 0

Answer:

atomic weight..................

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Does Graphene come from natural materials? Give an explanation
Gnoma [55]

Answer:

Actually graphene is not occurred in naturally.

Explanation:

graphene is a layer or a sheet which is extracted from graphite because graphite is layered material. most of the time famous scotch tape may produce graphene but you can't identify it without using electron microscope

7 0
4 years ago
An unknown element X has the following isotopes: 58X (68.00%
wlad13 [49]

The average atomic mass in amu of element X is 58.42 amu

The average atomic mass is the sum of the mass number of each of the isotopes multiplied by their respective abundances.

So;

The average atomic mass of element X is;

(58 * 0.68) + (60 * 0.26) + (0.06 * 62)

= 39.44 + 15.26 + 3.72

= 58.42 amu

The  average atomic mass in amu of X is 58.42 amu.

Learn more: brainly.com/question/13292428

5 0
3 years ago
33.1 x 105 <br> What is the scientific notation
Sunny_sXe [5.5K]

Answer:

3475.5 or 6591/2

Explanation:

4 0
4 years ago
A bug travels at the rate of 3.0 miles per hour. How fast is this in um/nsec? Hint: 2.54cm = 1 inch and 1 mile = 5,280 feet
kirza4 [7]
Note that
1 mi = 1609.34 m = 1609.34 x 10⁶ um
1 h = 3600 s = 3600 x 10⁹ ns

Therefore the speed of the bug is
 (3.0 mi/h)*(1609.34x10⁶ um/mi)*(1/3600x10⁹ h/ns)
(3.0 \,  \frac{mi}{h}) (1609.34\times10^{6}\, \frac{um}{mi} )( \frac{1}{3600\times 10^{9}}  \frac{h}{ns} ) =1.34\,\times 10^{-3} \,  \frac{um}{ns}

Answer: 1.34 \times 10^{-3} \,  \frac{\mu m}{ns}
4 0
4 years ago
Could someone please help me out??
Bumek [7]

Answer:

(I'm not sure tbh) It's C Polypeptides are formed by 10 or more amino acids

5 0
3 years ago
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