3 years ago

11 protons, 12 neutrons, and 11 electrons. What is the atomic mass of the atom? * 1 point

1 answer:

6 0

It would be 11 + 12 = 23 atomic mass units.
(electrons have about a mass of 5.489×10−4<span> atomic mass units, so their mass would be negligible in this calculation).
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Verdich [7]

Let:

A = Pick a green apple

B = Pick a red apple

m = Number of favourable outcomes

n = Total number of outcomes

The probability that the apple is green is:

$P(A)=\frac{m}{n}=\frac{4}{4+6}=\frac{4}{10}=\frac{2}{5}$

Answer:

2/5

The probability that the apple is red is:

$P(B)=\frac{6}{4+6}=\frac{6}{10}=\frac{3}{5}$

Answer:

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1 year ago

Find the area of this circle. Use 3 for pi

ohaa [14]

Step-by-step explanation:

given pi value= 3

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3 years ago

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tiny-mole [99]

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Step-by-step explanation:

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3 years ago

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Wittaler [7]

1) -5-4i
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3 years ago

Harry walks to a produce market to buy bananas. If a pound of bananas costs $0.49, how much will Harry pay for 3 pounds of banan

romanna [79]

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Step-by-step explanation:

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3 years ago

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