3 years ago

How does the idea of a neutron help address the puzzles about the protons in the nucleus and the mass of atoms?

1 answer:

6 0

Answer:

hen the number of neutrons is known and the atomic number of an element is known, it becomes easier to determine the approximate mass number by adding the two.

Explanation:

Hope it shelps

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Artemon [7]

Answer:

$9.8ms^{-2}$

Explanation:

using the equation :

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where v is 98m/s

u is 0m/s

t is 10seconds

$a=\frac{98m/s- 0m/s}{10} \\a=\frac{98}{10}\\ a=9.8m/s^{2}$

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3 years ago

The picture below is a great example of __________ biodiversity.

ki77a [65]

Answer:

number three is the answer moderate

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Convert Au(clo3)2 to s name

Sholpan [36]

Since Au is a symbol for Gold, and once you split the name into to giving each ion its charge... you'll see that this compound has Au+2 and Cl03- .... so the name would be

Gold(II) Chlorate

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3 years ago

Which electrolyte is stronger, NaOH or Ca(OH)2? Why?

nataly862011 [7]

Answer:

NaOH

Explanation:

Look at charge Na has +1 charge and Ca has +2 charge after dissociation . Greater charge Stronger lattice. And as we need weak Lattice, so NaoH is stronger base than Ca(OH)2.

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3 years ago

A naturally occurring element consists of three isotopes. The data for the isotopes are:

max2010maxim [7]

(46.972* 69.472% + 48.961*21.667% + <span>49.954*8.8610%)/100% =

</span>= 46.972* 0.69472 + 48.961*0.21667 + 49.954*0.088610 =47.667 u

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3 years ago