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Which statement describes the charge of an electron and the charge of a proton?*
Which subatomic particles are found in the nucleus of an atom of beryllium?*
The elements in Period 4 on the Periodic Table are arranged in order of increasing*
Which phrase describes two forms of solid carbon, diamond and graphite, at STP?*
Which element has six valence electrons in each of its atoms in the ground state?*
What is the chemical name for H2SO3(aq)?*
Which substance is most soluble in water?*
Which type of bonding is present in a sample of an element that is malleable?*
Which atom has the greatest attraction for the electrons in a chemical bond?*
Which type of reaction involves the transfer of electrons?*
A 10.0-gram sample of nitrogen is at STP. Which property will increase when the sample is cooled to 72 K at standard pressure?*
Which element is a gas at STP?*
A 5.0-gram sample of Fe(s) is to be placed in 100. milliliters of HCl(aq). Which changes will result in the fastest rate of reaction?*
Which process is commonly used to separate a mixture of ethanol and water?*
A sample of hydrogen gas will behave most like an ideal gas under the conditions of*