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Hatshy [7]
3 years ago
15

Whas the the ionic radius of strontium

Chemistry
1 answer:
lesya692 [45]3 years ago
3 0

Answer: 255 pm

Explanation: Hope this helps!

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4 years ago
A nut cracker is second lever. Give reason.​
muminat

Answer:

the load is between the fulcrum and the handle

Explanation:

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An atom has 8 electrons and a mass of 17. What would the correct symbol be?
irakobra [83]
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3 years ago
The following equation describes how sodium and chlorine react to produce sodium chloride: 2Na + Cl2 -&gt; 2NaCl Is the equation
DedPeter [7]

Answer:

The equation shows balance.

Explanation:

You can easily count the number of elements on each side.

On the left side of the equation, you have 2 moles of Na and 2 moles of Cl.

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5 0
4 years ago
What is the gram formula mass (molar mass) of Silicon Tetrabromide? Write the formula first!
agasfer [191]

Answer:

SiBr₄= 347.7 g/mol

Explanation:

Gram formula mass:

Gram formula mass is the atomic mass of one mole of any substance.

It can be calculated by adding the mass of each atoms present in substance.

SiBr₄:

Atomic mass of Si = 28.1 amu

Atomic mas of Br = 79.9 amu

There are four atoms of Br = 79.9 ×4

There is one atom of Si = 28.1 × 1

Gram formula mass of SiBr₄:

SiBr₄ = 79.9 ×4 + 28.1 × 1

SiBr₄= 319.6 + 28.1

SiBr₄= 347.7 g/mol

6 0
4 years ago
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