2 years ago

Explain how to count the number of elements in a compound

1 answer:

5 0

Answer:

Using the formula cards again, add the coefficient of 2 in front of the formula and have them recalculate the number of each element and the total number of atoms in each element.

Explanation:

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How many electrons does each gold atom gain? How many electrons does each iodine atom lose? What is the total number of electron

forsale [732]

Answer:

Explanation:

Half equation:

I. Au3+ + 3e- --> Au

II. 2I- --> I2 + 2e-

Au3+ + 3e- --> Au. ×2

2I- --> I2 + 2e- ×3

2Au3+ + 6e- --> 2Au

6I- --> 3I2 + 6e-

Overall equation

AuI3 --> 2Au + 3I2

3 electrons

2 electrons

6 electrons

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2 years ago

Read 2 more answers

If an atom has 11 protons and 13 neutrons what is it’s atomic number

Travka [436]

Answer:

the atomic number is 11 and element is Sodium (Na)

Explanation:

Number of Protons = Number of Electrons = 11

Number of Neutrons = 13

Here, the Number of Protons and Number of Electrons is 11

So,

the atomic number is 11 and element is Sodium (Na) 

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2 years ago

Which scientist bombarded gold sheets with alpha particles to look at the atom?

Alekssandra [29.7K]

the correct scientist is rutherford

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2 years ago

Determing Valence Electrons

ioda

Gallium ( Ga ) is the answer

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lactic acid, which consists of C, H, and O, has long been thought to be responsible for muscle soreness following strenuous exer

Minchanka [31]

Answer:

C3H6O3

Explanation:

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2 years ago