Particulate nature of matter
Is the process in which a solid changes directly to a gas, without a liquid phase
Sublimation
Give the correct order of atomic orbitals in decreasing energy (highest to lowest).
f, d, p, s
Which of the following atoms is considered a transition element?
Zn, Al, Cu, Ca
Cu
Give the name of MgF2
magnesium fluoride
Strong electrostatic attraction between oppositely charged ions and ions arranged in a 3D lattice structure make ionics compounds to be in, which state of matter under standard conditions?
Solid
Which laboratory technique should be used to further purify synthetically produced aspirin?
Re-crystallization
Identify the element with the electron configuration 1s2 2s2 2p6
Neon
Determine the correct order for the following elements in order of increasing electronegativity:
a) F, O, Al
b) Al, O, F
c) Al, F, O
d) O, F, Al
Al, O, F
Give the name of P2O5
diphosphorus pentoxide
Ionic compounds are soluble in ____ solvents such as water.
Polar
Deduce what an emission line spectrum of an element could be used for
To identify an unknown element
Identify the element with the electron configuration 1s2 2s2 2p6 3s2 3p6 4s2 3d1
Scandium
Deduce which of the following ions has the smallest ionic radius: Na+, F-, Mg2+, O2-
Mg 2+
Give the name of CuOH
copper I hydroxide
Arrange the following diatomic molecules in order of increasing bond length (shortest first):
F2, N2, Cl2, O2
N2 < O2 < F2 < Cl2
Deduce the region that corresponds to the wavelength of the electromagnetic radiation emitted when an electron transitions from a higher energy level to the first main energy level (n = 1)
Ultraviolet
In what type of atomic orbitals are the valence electrons of Silicon located?
s and p
The ease with which metals lose their valence electrons is related to which property?
Ionization energy
Give the name of Mg3(PO4)2
magnesium phosphate
Definition of giant covalent network structure
Structures formed when each atom is covalently bonded to several other atoms, creating a continuous three-dimensional network.
Determine the charges on the ions formed from the following atoms: Na, Cl and Al.
positive, negative, positive
An atom of chlorine has the electron configuration [Ne] 3s2 3p5. Determine how many atomic orbitals in this atom are occupied by at least one electron
9
Which of the following pairs of elements have similar chemical properties?
Na-K, Ca-Br, C-N, Li-Be
Na-K
Give the name of FeCO3
Iron II carbonate
Which species is responsible for electrical conductivity in graphene?
delocalized electrons