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makvit [3.9K]
3 years ago
9

BRAINLIEST WITH THE RIGHT ANSWER

Chemistry
2 answers:
DENIUS [597]3 years ago
4 0

Answer: All the members of a family of elements have the same number of valence electrons and similar chemical properties. The horizontal rows on the periodic table are called periods.

liq [111]3 years ago
3 0

Answer:ew erê mir û um hûn jî ew mir hema hema hema hema hema hema hema hema hema hema hema hema hema hema hema hema hema hema hema hema hema hema hema hema hema hema hema hema hema hema hema hema hema hema hema hema hema hema hema hema hema hema hema hema hema hema - ...

Explanation:

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Doss [256]
The balanced chemical reaction is:

<span>Ca + Cl2 =  CaCl2
</span>
We are given the amount of calcium metal to be used for this reaction. This will be the starting point for the calculations.

56 g Ca ( 1 mol Ca / 40.08 g Ca) (1 mol Cl2 / 1 mol Ca) ( 22.414 L Cl2 / 1 mol Cl2 ) = 31.32 L Cl2 gas produced from the reaction
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Hope this helps!
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3 years ago
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How many significant figures are there in the measurement 64,000 mg?
DedPeter [7]
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3 years ago
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Svet_ta [14]

Answer:

that is all I know sorry hope that may help you :)

Explanation:

Indicator is a substance which shows different colors in acidic and basic medium. Indicators can be natural (derived from natural sources) or artificial ( man-made) for example :

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* Turmeric solution does not show change in color (remains yellow) in acidic solution and turns red in basic solution.

8 0
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A polonium atom has 84 protons, 124 neutrons, and 84 electrons. What will it change to during alpha decay? A. A lead atom with 8
77julia77 [94]
I think the correct answer would be A. When a polonium atom with 84 protons, 124 neutrons, and 84 electrons undergoes alpha decay, a lead atom would be produced with 82 protons, 122 neutrons, and 84 electrons together with an alpha particle having two protons and two neutrons.
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