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Rudiy27
3 years ago
12

Why would 18 be wrong for the atomic mass of an atom with 6 neutrons, 6 electrons, 6 protons?

Chemistry
1 answer:
11Alexandr11 [23.1K]3 years ago
6 0
Atomic mass is just protons plus neutrons
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What are two things with the same volume but different masses?
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an ice cube and paper cube with the same dimensions

Explanation:

an example is an ice cube and a cube with the same dimensions made of paper. these have the same volume, but different masses because the particles are packed differently and in different amounts.

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intrusive igneous rock forms when the cooling of magma takes place fast on the top of the Earth's surface. A. True B. False
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Mixture with two or more substances that are evenly mixed
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A homogeneous mixture, the substances are uniformly distributed throughout the mixture
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3 years ago
in rutherford's gold foil experiment a very small number of alpha particles were deflected. what about the structure of the atom
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What is the change in density if a sample goes from 3.21 g/L to 5.43 g/mL?
Step2247 [10]

Answer:

\Delta \rho =2.22 g/mL

Explanation:

Hello,

In this case, since a change in science is widely known to be considered as a subtraction between the the final and initial values of two measured variables and is represented via Δ, here the final density is 5.43 g/mL and the initial one was 3.21 g/mL, therefore, the change in density is:

\Delta \rho=\rho _f-\rho _i\\ \\\Delta \rho=5.43g/mL-3.21g/mL\\\\\Delta \rho =2.22 g/mL

Best regards.

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