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Crazy boy [7]
3 years ago
12

Atoms try to have the same number of protrons and electrons. True or false

Chemistry
1 answer:
Dima020 [189]3 years ago
8 0

Answer:

False

Explanation:

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Please help me I'll try to give brainliest if I find out how​
Vsevolod [243]

Answer:

Acid + Oxide or Hydroxide

Many oxide, hydroxide and carbonate compounds

are insoluble in water, but do react with acid.

Acid + Oxide → Salt + Water

Acid + Hydroxide → Salt + Water

MgO (s) + HNO3 (aq) → Mg(NO3)2 (aq) + H2O (l)

CuOH (s) + HCl (aq) → CuCl (aq) + H2O (l)

Explanation:

lead compounds are the oxides: lead monoxide, PbO, in which lead is in the +2 state; lead dioxide, PbO2, in which lead is in the +4 state; and trilead tetroxide, Pb3O4. Lead monoxide exists in two modifications, litharge and massicot. Litharge, or alpha lead monoxide, is a red or reddish…

8 0
3 years ago
How many atoms of iodine are in 12.75g of CaI2? Hint. How many Iodines are there in one CaI2 particle?
xenn [34]

Answer:

5.225x10^{22}atoms\ I

Explanation:

Hello!

In this case, since 12.75 g of calcium iodide has the following number of moles (molar mass = 293.89 g/mol):

n_{CaI_2}=12.75gCaI_2*\frac{1molCaI_2}{293.89gCaI_2}=0.0434molCaI_2

In such a way, since 1 mole of calcium iodide contains 2 moles of atoms of iodine, and one mole of atoms of iodine contains 6.022x10²³ atoms (Avogadro's number), we compute the resulting atoms as shown below:

atoms\ I=0.0434molCaI_2*\frac{2molI}{1molCaI_2} *\frac{6.022x10^{23}atoms\ I}{1molI} \\\\atoms\ I = 5.225x10^{22}atoms\ I

Best regards!

4 0
3 years ago
Please help me due tomorrow
Dvinal [7]

  1. G
  2. A
  3. C
  4. I
  5. F
  6. D
  7. E
  8. B
  9. J

Explanation:

this are answers

6 0
2 years ago
Sodium phosphate dodecahydrate, na3po4(12h2o), is crystalline salt that is water soluble. describe what is present in an aqueous
Elza [17]
Hey there!:

Sodium cations and phosphate anions .

hope this helps!
7 0
3 years ago
A reef that surrounds a volcanic island is an
quester [9]

Answer:

atoll

Explanation: this is correct, pls give me brainliest

6 0
2 years ago
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