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Bas_tet [7]
2 years ago
15

Which option is an example of a chemical change?

Chemistry
1 answer:
MA_775_DIABLO [31]2 years ago
6 0
Firework exploding. Thank you :)
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Whats the molar mass of c6h6
N76 [4]
B I did this on a test
3 0
3 years ago
Explain, in terms of electrons, why the bonding in strontium sulfide, SrS, is similar to the bonding in magnesium bromide, MgBr2
Aleksandr-060686 [28]

Answer: both compounds have ionic bond between metal and non-metal

Explanation: both Sr and Mg are earth alkaline metals and form ions Mg^2+

And Sr^2+. Br forms ion Br^- and S ion is S^2+.

5 0
3 years ago
The isotope of carbon used in archaeological dating is 14^6C . How many protons, neutrons, and electrons does an atom of 14^6C h
vampirchik [111]

Answer:

6

8

6

Explanation:

 Isotope given:

                       ¹⁴₆C

In specie written as this;  

   Superscript  = Mass number

   Subscript  = Atomic number

To find the protons, it is the same as the atomic number;

                Protons  = Atomic number  = 6

Neutrons have no charges;

 Neutrons  = Mass number - Atomic number  =

  Neutrons  = 14 - 6  = 8

The number of electrons is the same as the atomic number = 6

8 0
3 years ago
Compare the mass of a proton to the mass of an electron.
Y_Kistochka [10]

Electrons are only about 0.054% as massive as neutrons and protons are only 99.86% as massive as the neutrons. The mass of the Proton is 1.67 x 10^-27 kg and the mass of the electron is 9.11 x 10^-31 kg. The mass of the electron is so much lighter than the mass of the proton.

5 0
3 years ago
How many mm are in 3.6 km?
Rainbow [258]

Answer:

3.6km = 3.6e+6mm

Explanation:

6 0
2 years ago
Read 2 more answers
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