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Chemistry

340 of 345 questions match · page 5 of 17. Answer in your head first, then check the solution.

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#81📘 reviewer_appEasy
Which of the ff elements and compounds is unstable in its pure form?
AHelium
BNeon
CCarbon dioxide
DSodium
#82📘 reviewer_appEasy
What element is known as the lightest metal
AAluminum
BManganese
CMagnesium
DLithium
#83📘 reviewer_appEasy
What refers to the attraction between like molecules?
AAbsorption
BDiffusion
CAdhesion
DCohesion
#84📘 reviewer_appEasy
Which of the ff is the strongest type of bonds?
AVan der Waals
BMetallic
CCovalent
DIonic
#85📘 reviewer_appEasy
When all of the atoms of a molecule are the same, the substance is called a/an ________
Acompound
Bchemical
Celement
Dion
#86📘 reviewer_appEasy
The condition of a liquid electrolyte is measured in terms of its:
Aspecific gravity
Bacid content
Cvoltage output
Dcurrent value
#87📘 reviewer_appEasy
An element maybe define as a substance with all atoms of which have the same ________
Anumber of neutrons
Bradioactivity
Catomic weight
Datomic number
#88📘 reviewer_appEasy
The device which measures the acid content of the cell is called ______
Aacid meter
Bhydrometer
Chygrometer
Dpyrometer
#89📘 reviewer_appEasy
In a copper atom, the valence ring contains how many electrons?
Ano electron
Bone electron
Ctwo electrons
Dfour electrons
#90📘 reviewer_appEasy
What is the opposite of alkali?
AAcid
BFluid
CCarbon
DOxide
#91📘 reviewer_appEasy
The electrolyte is a solution of water and _________
Asulfuric acid
Buric acid
Cnitric acid
Dformic acid
#92📘 reviewer_appEasy
What is a deuteron?
AA neutron plus two protons
BA nucleus containing a neutron and a proton
CAn electron with a positive charge
DA helium nucleus
#93📘 reviewer_appEasy
Which of the ff elements is NOT radioactive?
APlutonium
BCalifornium
CUranium
DCobalt
#94📘 reviewer_appEasy
What are compounds with the same molecular formula but with different structural formula?
AAldehydes
BAmines
CIsomers
DEsters
#95📘 reviewer_appEasy
What is formed when a carboxylic acid and an alcohol react, with water as a by-product?
AAmine
BEster
CPolymer
DTeflon
#96📘 reviewer_appEasy
What common carboxylic acid is found in yogurt?
ALactic acid
BCitric acid
CTartaric acid
DLauric acid
#97📘 reviewer_appEasy
What carboxylic acid is found in grapes?
ALactic acid
BCitric acid
CTartaric acid
DLauric acid
#98📘 reviewer_appEasy
What carboxylic acid is found in coconut oil?
ALactic acid
BCitric acid
CTartaric acid
DLauric acid
#99📘 reviewer_appEasy
What do you call the distinct pattern in space which the atoms of metal arranged themselves when they combine to produce a substance of recognizable size?
ASpace-lattice
BCrystal
CGrain
DUnit Cell
#100📘 reviewer_appEasy
When a solid has a crystalline structure, the atoms arranged in repeating structures called _________
Alattice
Bunit cell
Ccrystal
Ddomain

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