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3 years ago

Explain Rutherford Bohr model?

Chemistry

1 answer:

Liula [17]3 years ago

7 0

Answer:

heya!!!

Explanation:

In atomic physics, the Rutherford–Bohr model or Bohr model, presented by Niels Bohr and Ernest Rutherford in 1913, is a system consisting of a small, dense nucleus surrounded by orbiting electrons—similar to the structure of the Solar System, but with attraction provided by electrostatic forces in place of gravity.

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What is the activation energy of this reaction? 10 kJ 25 kJ 30 kJ 35 kJ

Nostrana [21]

Answer:

25 kj

Explanation:

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3 years ago

A metal oxide with the formula mo contains 15.44% oxygen. in the box below, type the symbol for the element represented by m.

lana66690 [7]

<u>Answer:</u> The element represented by M is Strontium.

<u>Explanation:</u>

Let us consider the molar mass of metal be 'x'.

The molar mass of MO will be = Molar mass of oxygen + Molar mass of metal = (16 + x)g/mol

It is given in the question that 15.44% of oxygen is present in metal oxide. So, the equation becomes:

$\frac{15.44}{100}\times (x+16)=16g/mol\\\\(x+16)=\frac{16g/mol\times 100}{15.44}\\\\x=(103.626-16)g/mol\\\\x=87.62g/mol$

The metal atom having molar mass as 87.62/mol is Strontium.

Hence, the element represented by M is Strontium.

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3 years ago

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morpeh [17]

It is letter C: Continental crust is thicker than oceanic crust.

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Which substance contains bonds that involve a transfer of electrons from one atom to another

cestrela7 [59]

An ionic bond is a type of chemical bond formed through an electrostatic attraction between two oppositely charged ions. Ionic bonds are formed between a cation, which is usually a metal, and an anion, which is usually a nonmetal. A covalent bond involves a pair of electrons being shared between atoms.

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2 years ago

Give an example of a specialized cell.

Gre4nikov [31]

Answer:

Muscle cell

Explanation:

An example of a specialized cell would be a muscle cell, which allows muscles to contract. A specialized cell has a specific function.

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2 years ago

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