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THE PERIODIC
TABLE
BONDING
FORMULAS
NUCLEAR CHEMISTRY
REDOX
100
Which element has chemical properties that are most similar to the chemical properties of fluorine? (1) boron (3) neon (2) chlorine (4) oxygen
chlorine
100
An atom of argon in the ground state tends not to bond with an atom of a different element because the argon atom has...
a total of eight valence electrons.
100
Write the chemical formula of copper(I)oxide.
Cu2O
100
Which nuclides are used to date the remains of a once-living organism?
C-14 and C-12
100
Which metal will spontaneously react with Zn2?(aq), but will not spontaneously react with Mg2?(aq)? (1) Mn(s) (3) Ni(s) (2) Cu(s) (4) Ba(s)
Mn(s)
200
Which element is a liquid at STP?
Bromine and Mercury
200
What type of bond is found between atoms of solid cobalt.
Metallic.
200
Which formula is both a molecular and an empirical formula? (1) C6H12O6 (3) C3H8O (2) C2H4O2 (4) C4H8
C3H8O
200
In which type of reaction do two lighter nuclei combine to form one heavier nucleus?
Nuclear fusion.
200
Write a balanced half-reaction equation for the reduction of the iron ions in iron(III) oxide to iron atoms.
Fe3++?3e? → Fe
300
An element that has a low first ionization energy and good conductivity of heat and electricity is classified as a...
Metal
300
Hydrogen bonding is a type of (1) strong covalent bond (2) weak ionic bond (3) strong intermolecular force (4) weak intermolecular force
Strong intermolecular force.
300
Write the chemical formula of aluminum nitrate.
Al(NO3)3
300
Which nuclear emission has no charge and no mass?
Gamma ray.
300
When a voltaic cell operates, ions move through the...
salt bridge.
400
As atomic number increases within Group 15 on the Periodic Table, atomic radius...
increases.
400
What is the total number of electron pairs shared between the carbon atom and one of the oxygen atoms in a carbon dioxide molecule?
2
400
What is the chemical formula for zinc carbonate?
ZnCO3
400
Determine the total time that must elapse until only ¼ of an original sample of the radioisotope Rn-222 remains unchanged.
7.64 days.
400
Identify the particles transferred between Fe2+ and Zn during the reaction in the cell with zinc and iron electrodes.
Electrons.
500
Identify the element in Period 3 of the Periodic Table that reacts with oxygen to form an ionic compound represented by the formula X2O.
Na
500
Which element has an atom with the greatest tendency to attract electrons in a chemical bond?
Fluorine
500
A compound has the empirical formula CH2O and a gram-formula mass of 60. grams per mole. What is the molecular formula of this compound?
C2H4O2
500
Which radioisotope is used to treat thyroid disorders? (1) Co-60 (3) C-14 (2) I-131 (4) U-238
I-131
500
Which half-reaction equation represents the reduction of an iron(II) ion? (1) Fe2+ → Fe3+ + e− (3) Fe3+ + e− → Fe2+ (2) Fe2+ + 2e− → Fe (4) Fe → Fe2+ + 2e−
(2) Fe2+ + 2e− → Fe