WorksheetsChem Final
Total questions: 21
Worksheet time: 11mins
Choose all physical properties
Solubility
Flammability
Color
Freezing point
Toxic
Properties of a substance that describes how that substance’s chemical composition will change given a specific set of conditions
Chemical Properties
Physical Properties
Heterogeneous mixtures are made up of two or more substances that appear as one
True
Flase
Avogadros number is :
(10)^25
6.022x10^24
6.022x10^-23
6.022x10^23
Which of these quantum numbers describes the main shell
Principal quantum number
Angular momentum quantum number
Magnetic quantum number
Spin quantum number
According to the Aufabu principle, an electron occupies the highest energy orbital that can receive it
True
False
Which term best describes the energy required to remove an electron from an atom
Electron affinity
Electronegativity
Ionization energy
Electron energy
Which atoms will have greater electronegativity
Small atoms with small number of protons
Small atoms with big number of protons
Large atoms with small number of protons
Large atoms with large number of protons
I am like a proton, I have a mass but no electrical charge, who am I ?
Electron
Isotope
Neutron
Atomic mass unit
Which term Describes the ability of an atom in a chemical compound to attract electrons from diffrent atoms
Electron affinity
Electronegativity
Ionization energy
Electron attractification
The total number of orbitals that can exist at a given main energy level is equal to ?
N
2n2
n2
2n-1
The statement that no two electrons in the same atom can have the same four quantum numbers is a restatement of ?
Bohrs law
The Pauli exclusion principle
Hands rule
The aufbau principle
NiCl2
Nickel3 chlorite
Nickel ( II ) chloride
Nickel chloride2
Ne: 1s2 2s2 2p6——————What group is neon located in ?
18
5
17
10
Down the group atomic radius
Increases
Decreases
From group 13-18 subtract ——— from the group number to get the number of V.E
10
5
12
Last number of the electron configuration
What is the V.E in the electron configuration ( 1s2 2s2 2p2 )
2
4
5
3
The range of a ionic bond is from 3.3 - 1.7
True
False
In a covalent bond, it’s between
Nonmetal and metal
Metal and metal
Metal and nonmetal
Nonmetal and nonmetal
In a covalent bond, unequal sharing of V.E is
Polar covalent
Non polar covalent
Covalent
The system that describes the change of an anions names by adding ide in ionic compounds is
The stock system
The idoforiec system
The solar system
