General Chemistry Answers

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1- Photoelectric effect evidences the wave nature of the light.

2- Electron in atom moves with speed of light.

3- Neutron exhibits interference and diffraction. 

4- Annihilation is the process of creation of matter. 

5- Positron belongs to antimatter. 

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1- Radial distribution function can have negative values. 

2- Value of the radial distribution function in the center of nucleus is always equal to zero. 

3- Radial distribution function for 4d orbital has two antinodes.

4- Wavefunction can have negative values.

5- Wavefunction of 5s orbital changes sign five times

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1- For the given atom, the size of anion is always larger than the size of cation. 

2- Atomic radius monotonically decreases upon increase of the nuclear charge.

3- Electronegativity of the element characterizes its ability to uptake electrons. 

4- Polarizability of the atom is determined by the atom size. 

5- Electron affinity of the atom lowers with the increase of the atomic number of the element. 

6- Electronegativity of the element increases down the group in the Periodic system

What is tha value of rate constant is A0 is equal to .035

Write the chemical formula and answer the following questions below:

1. Barium nitride

2. Carbon tetrahydride

3. Iron (III) Chloride or Ferric chloride

4. Phosphorus pentoxide

5. Aluminium oxide

Questions:

1. What is the chemical formula of the compound?

2. Which among the compounds are ionic and covalent? How did you determine the difference?

1. What is the structural formula of Calcium oxide?

2. How many hydrogen atoms are there in NO3 ?

3. What is the chemical name of CO2?

4. What is the chemical name of this symbol, Pb?

5. What is the structural formula of MgCI2?

1. What is the structural formula of Calcium oxide?

2. How many hydrogen atoms are there in NO₃ ?

3. What is the chemical name of CO₂?

4. What is the chemical name of this symbol, Pb?

5. What is the structural formula of MgCI2?

Write the chemical formula and answer the following questions below:

1. Barium nitride

2. Carbon tetrahydride

3. Iron (III) Chloride or Ferric chloride

4. Phosphorus pentoxide

5. Aluminium oxide

Questions:

1. What is the chemical formula of the compound?

2. Which among the compounds are ionic and covalent? How did you determine the difference?

Substance that is characterized as unstable and posses high energy that are formed by the reactant molecules through collision before the product is called ________? *

Calculate the solubility product of silver bromide,if its solubility is 1.6×10^-5moldm^-3

An 8 kg bowling ball is at rest and a 5 kg bowling ball rolls toward it. Upon collision,the heavier ball moves with a velocity of 3 m/s and a lighter ball stops moving. What is the velocity of the lighter ball before collision?