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Alina [70]
3 years ago
14

Why do metals tend become cations?

Chemistry
1 answer:
GarryVolchara [31]3 years ago
4 0

Metals tend to become cations becauase they lose electrons

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How many atoms of Pb are there?
jeka94

Answer: i believe it is

602,000,000,000,000,000,000,000 atoms

Explanation:

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3 years ago
Q Q 3. (08.02 MC)
AnnyKZ [126]

Answer: A volume of 455 mL from 0.550 M KBr solution can be made from 100.0 mL of 2.50 M KBr.

Explanation:

Given: V_{1} = ?,         M_{1} = 0.55 M

V_{2} = 100.0 mL,        M_{2} = 2.50 M

Formula used to calculate the volume of KBr is as follows.

M_{1}V_{1} = M_{2}V_{2}

Substitute the values into above formula as follows.

M_{1}V_{1} = M_{2}V_{2}\\0.55 M \times V_{1} = 2.50 M \times 100.0 mL\\V_{1} = 455 mL

Thus, we can conclude that a volume of 455 mL from 0.550 M KBr solution can be made from 100.0 mL of 2.50 M KBr.

7 0
3 years ago
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True or false an atom is the smallest particle of a whole element
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True, as an atom has the same chemical properties as the first bulk element. Dalton’s Atomic Theory explains all :))
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This is how manganese appears in the periodic table.
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Answer:

Atomic Symbol

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In a constant‑pressure calorimeter, 70.0 mL of 0.310 M Ba ( OH ) 2 was added to 70.0 mL of 0.620 M HCl . The reaction caused the
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