General Inorganic Chemistry

Question 1

total mass in a chemical reaction in constant

Answer 1

Law of Conservation of Mass

Question 2

A pure compound is made up of elements in the same proportion by mass, regardless of its quantity source.

Answer 2

Law of Definite Proportions

Question 3

A chemical reaction only involves separation, combination, or rearrangement of atoms.

Answer 3

Law of Conservation of Mass

Question 4

3 factors considered in the gold foil experiment

Answer 4

1) atom is an empty space
2) atom has a dense part - the nucleus
3) there has been a slight shift due to the protons in the nucleus (+ alpha particles repel + charged nucleus due to protons)

Question 5

The hotter the body, the _____ the wavelength for maximum radiation.

Answer 5

shorter

Question 6

Theory: when solids are heated, they emit electromagnetic radiation over a wide range of wavelengths

Answer 6

Quantum Theory (Max Planck)

Question 7

Atoms and molecules could emit and absorb energy called _____

Answer 7

Quanta

Question 8

Theory: Electrons are ejected from the surface of certain metals exposed to a light.

Answer 8

Photoelectric Effect (Albert Einstein)

Question 9

Minimum frequency of light in photoelectric effect

Answer 9

Threshold frequency

Question 10

A beam of light is actually a stream of particles called _____.

Answer 10

Photons

Question 11

Constant known as the fundamental number of hydrogen

Answer 11

Rydberg Constant (RH; const. 16)

Question 12

Describes the distribution of electrons in in an atom

Answer 12

Quantum Numbers

Question 13

Wave functions of electrons in an atom

Answer 13

Atomic Orbital

Question 14

Quantum numbers are derived from the mathematical solution of the _____.

Answer 14

Schrodinger Equation

Question 15

Theory: The square of the wave function determines the probability distribution of an electron in space.

Answer 15

Born Interpretation

Question 16

Pertains to the average distance of the electron from the nucleus in a particular orbital

Answer 16

Principal Quantum Number, n

Question 17

Determines the size of the orbital

Answer 17

Principal Quantum Number, n

Question 18

Determines the shape of the orbital

Answer 18

Angular Momentum Quantum Number, l

Question 19

Determines the orientation of orbitals in a three-dimensional space

Answer 19

Magnetic Quantum Number, ml

Question 20

Determines the spin of electrons

Answer 20

Spin Quantum Number, ms

Question 21

Let us know how the electrons are distributed among the various atomic orbitals

Answer 21

Electron Configuration

Question 22

Address of an electron

Answer 22

Quantum Numbers

Question 23

Orbitals of an atoms must be filled up in increasing energy levels.

Answer 23

Aufbau Principle

Question 24

No two electrons in an atom can have the same set of quantum numbers and an atomic orbital must contain a maximum of two electrons with opposite spins

Answer 24

Pauli’s Exclusion Principle

Question 25

The most stable arrangement of electrons in subshells is the one with more parallel spins

Answer 25

Hund's Rule of Multiplicity

Question 26

It is defined as the minimum amount of energy required to remove the most loosely bound electron from the valence shell of the isolated neutral gaseous atom in its ground state.

Answer 26

Ionization energy

Question 27

The ability of an atom's inner electrons to shield its positively charged nucleus from its valence electrons (repulsive effects)

Answer 27

Electron Shielding

Question 28

The ability of an atom to accept an electron

Answer 28

Electron Affinity

Question 29

It is the relative tendency of an element present in a covalently bonded molecule to attract the shared pair of electrons toward itself.

Answer 29

Electronegativity TIP: Malandi (high electron affinity) & Marupok (high ionization energy)

Question 30

A representation of covalent bonding in which shared electron pairs are shown either as lines or as pairs of dots.

Answer 30

Lewis Structure

Question 31

TRUE OR FALSE: Only valence electrons are shown in lewis structure

Answer 31

True

Question 32

Distance between nuclei of atoms forming a bond a. bond order b. bond length c. bond energy

Answer 32

b. bond length

Question 33

number of shard pairs a. bond order b. bond length c. bond energy

Answer 33

a. bond order

Question 34

amount of energy involved in the formation or breaking of bond a. bond order b. bond length c. bond energy

Answer 34

c. bond energy