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Saltpeter
potassium nitrate
Lithium
The metal with the lowest density
Sodium sulfate
Glauber’s salt
Protium and deuterium
A naturally occurring isotope of H
HClO4
Perchloric acid
Spirit of hartshorn
ammonium hydroxide
Bordeaux mixture
A mixture of copper (II) sulfate and calcium oxide in water
increase the solubility
KI was added to ____ of iodine
ferric oxide
Calamine is a mixture of zinc oxide and ___.
False
Most of the mass of an atom is due to the presence of electrons.
Carbon
The element with the atomic no. of 6
Hydrogen
By mass, it is the most abundant in the universe
protons and neutrons
Mass number equals the number of
Azimuthal
The shape of the electron cloud is defined by the ___ quantum number.
Hund’s Rule
Pairing of electrons in the orbitals belonging to the same subshell does not take place until each orbital is singly occupied.
phosphane
A colorless, flammable, toxic gas with the formula PH3
Osmium
The metal with the highest density
the scattering of alpha particles by a metal foil
Which one of the following observations provided evidence that most of the mass of the atom, as well as all of the positive charge, is concentrated in a very small core, the nucleus?
Oxygen
Most abundant element in the human body
-NH2
Under physiologic condition, which functional group is considered basic?
white vitriol
Zinc sulfate
Group IA
a.k.a. Alkali Earth Metals
Haber’s process
Methods used in the production of ammonia
Shavers disease
Aluminum poisoning
energy level the electron is located
The principle quantum number (n) refers to
mineral
Natural spring or well water
Li is the most active metal among the group.
Which of the following is NOT true regarding Group IA elements: Li, Na, K and Rb?
Aufbau Principle
Orbitals are filled in order of increasing energy, from lowest to highest.
mass number
Isotopes of the same element must differ in their
Permanent
Type of water hardness caused by the presence of dissolved sulfate and chloride minerals
Manganese
Provides a brown light resistance in glass
Calcium
Which of the following element is the least electronegative?
1
For the 2p orbital, l =
proton
The positively charged subatomic particle
Luminous flame
Flame tests are observed under:
Lower oxidizing zone
Part of the flame where solutions are volatilized
Plaster of Paris
Calcium sulfate hemihydrate
20% O2, 80% He
Artificial air contains
Crimson
Flame color of K when using cobalt glass
Nickel
This metal produces a bright red crystalline precipitate with dimethylglyoxime reagent.
Vitamin D
Vitamin that enhances the utilization of calcium in the body
Green
Nickel ion in solution is colored:
Radium
Formerly used in self-luminous paints for watches, nuclear panels, aircraft switches, clocks, and instrument dials
Temporary
Type of water hardness caused by the presence of dissolved bicarbonate minerals
ductility
Ability of a material to be drawn into wires
Carbon dioxide
Oxides of nonmetals with water form acids while oxides of metals with water form bases. Which of the following will be acidic in water?
Plaster of Paris
Used as cast, preparing bandages and building material
Electron Cloud Model
Modern Atomic Model
Halogen
“Salt-producing”
milk of magnesia
Magnesium hyroxide
sodium bicarbonate
Used as leavening agent
Kaolin
Hydrated aluminum silicate
No correct answer
If a neutral atom has an atomic number of 28 and a mass number of 60, it contains
sulfuric acid
Oil of vitriol
Barium
Group IIA element that is used as green flare
Mercurous chloride
Calomel
Epsom salt
Magnesium sulfate
Fluorine
A pale yellow gas at room temp
deuterium oxide
Heavy water
Aluminum
Most abundant metal in the earth’s crust
silver nitrate
Formerly used in dilute solutions in newborn babies' eyes at birth to prevent contraction of gonorrhea from the mother, which could cause blindness
D. Mendeleev
He designed the first periodic table based on chemical properties.
50% pure gold
An 12K gold contains
Carbon
By mass, it is the 2nd most abundant element in the human body and 4th in the universe
Haber’s process
Methods used in the production of hydrogen gas, EXCEPT
Chemistry
The science of composition, structure, properties and reactions of matter, especially of atomic and molecular systems
Fermentation of wine
Which one of the following processes is an example of a chemical change?
Nitrogen
Azote
Talc
hydrated magnesium silicate
Iodine tincture
2% iodine in 50% alcohol
Cobalt
Component of Vit B12
Sulfur
Brimstone
Ferric and Fe+3
Oxidized form of iron
Al(OH)3
Side effects of magnesium hydroxide can be counteracted by;
Royal water
3 parts muriatic acid, 1 part aqua fortis
4
For the 4d orbital, n =
Heisenberg’s Uncertainty Principle
For electrons, it is not possible to determine the exact momentum and the exact position at the same moment in time.
graphite
Crystalline form of carbon
upper right
Where in the periodic table are the most electronegative elements found? (Ignore the noble gases.)
Hydrogen sulfide
Aitch-Tu-Es is chemically known as:
Isobars
Atoms of the same mass number but have different atomic numbers
Strong iodine solution
A aqueous solution containing 5% iodine
blue vitriol
Hydrated copper (II) sulfate
yellow
Sodium chromate in aqueous solution
Gold
King of all metals
Ferrous ferricyanide
a.k.a. Turnbull’s blue
metallic property
Which of the following trends differ in pattern across the periodic table compared to the others?
Argon
Identify the element which is considered as a noble gas with 18 protons in the nucleus.
ArSenic
a.k.a. PROTOPLASMIC POISON
charcoal
Amorphous form of carbon
Hund’s Rule
A single electron will occupy an empty orbital first before pairing with another electron.
Group IB
a.k.a. Coinage Earth Metals
Galvanization
Application of zinc as protective coating in steel or iron to prevent rusting
Na > Al > Cl
What is the correct order of the atomic radius in the elements below?
1s22s22p4
The full electron configuration of an element with an atomic number of 8 is
2, 1, +1
Which of the following sets of quantum numbers is correct?
1s22s22p63s2
What is the electronic configuration of magnesium atom?
2, 1, +1, +1/2
What is the correct set of quantum numbers for the highest energy "last" electron in the given orbital diagram?
I, II and III
Give the orbital diagram for the electrons beyond the noble gas core in Hf.
Which principle(s) or rule(s) does this configuration violate?
Aufbau principle
Hund's rule
Pauli Exclusion principle
They are found in all principal energy levels.
Which ff the following statements about p orbitals is FALSE?