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Serjik [45]
4 years ago
5

Which of the following are acceptable ways to represent an isotope of carbon?

Chemistry
1 answer:
qaws [65]4 years ago
3 0
My best guess is a. carbon-10 
I just learned about it yesterday hope it help :)
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Can you guys help me fill out the table?
TEA [102]

Explanation:

Scientist                   Evidence                                 Model

Dalton                        Gases                       indivisible, solid and spheres

J.J Thomson          Deflected beam        Negative charges evenly scattered

                                                                  through positively charged mass of

                                                                  matter.

Rutherford     Deflection of alpha            atomic model

                       particles passing                

                       through the gold foil              

The emboldened words are the answer.

  • John Dalton proposed the first model of the atoms by his works on gases. He postulated the Dalton's law of partial pressure.
  • He suggested that gases are made of tiny particles called atoms.

  • J.J Thomson proposed the plum pudding model of the atom in which the charges are evenly scattered through the positively charged mass of matter.

  • The gold foil experiment by Rutherford brought the atomic model of the atoms in the front-light.
  • The model suggests a small positively charged center which the mass of the atom.
  • The outer space is occupied by the electrons.

Learn more:

Rutherford brainly.com/question/1859083

#learnwithBrainly

6 0
3 years ago
Help pls<br>it would be really helpful
Basile [38]
18.is D
19.is A
hope it's correct
3 0
3 years ago
What volume of carbon dioxide is produced when 0.489 mol of calcium carbonate reacts completely according to the following react
Vilka [71]

Answer:

11.0L of carbon dioxide is produced

Explanation:

Balanced equation: CaCO_{3}(s)\rightarrow CaO(s)+CO_{2}(g)

According to balanced equation, 1 mol of CaCO_{3} produces 1 mol of CO_{2}

So, 0.489 mol of CaCO_{3} produces 0.489 mol of CO_{2}

Let's assume CO_{2} behaves ideally.

So, P_{CO_{2}}V_{CO_{2}}=n_{CO_{2}}RT

where P is pressure, V is volume , n is number of moles, R is gas constant and T is temperature in kelvin

Plug-in all the values in the above equation-

(1atm)\times V_{CO_{2}}=(0.489mol)\times (0.0821L.atm.mol^{-1}.K^{-1})\times (273K)

or, V_{CO_{2}}=11.0L

So, 11.0L of carbon dioxide is produced

4 0
3 years ago
Considering the activity series given below for metals and nonmetals, which reaction will occur?
kozerog [31]

Answer:

the answer is C i just took the test

Explanation:

2AgNO3 + Ni Right arrow. Ni(NO3)2 + 2Ag

5 0
4 years ago
Which expression gives the standard enthalpy<br> change of formation for methanol?
ser-zykov [4K]

Answer:

25

Explanation:

bec

6 0
3 years ago
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