2 years ago

What two elements fill their last electron in the 5s sublevel?

Chemistry

1 answer:

postnew [5]2 years ago

7 0

Answer:Rubidium and Strontium

Explanation:

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The number of moles in 4.27×10^22 particles of silver is

bazaltina [42]

Answer:

$mol=0.0709mol$

Explanation:

Hello,

In this since one mole equals 6.022x10²³ particles of silver by means of the Avogadro's number, we can compute the moles in 4.27x10²² particles as shown below:

$mol=4.27x10^{22}particles*\frac{1mol}{6.022x10^{23}particles}\\\\mol=0.0709mol$

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2 years ago

How many meters are in ten cm?

ser-zykov [4K]

Answer: 0.1 meters

Explanation: move ten down a place value and u get .10 which is equal to 0.1 meters

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3 years ago

. When 0.022189 is correctly rounded to two significant figures the number becomes

weeeeeb [17]

0.022
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3 years ago

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sasho [114]

I’m pretty sure it would be B

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2 years ago

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What are the products of the neutralization reaction between HCl and

liraira [26]

Answer:

opinion b

Explanation:

the product of neutralization reaction between hcl and CA(oh)2 is option b.

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2 years ago