PHY S 100 Unit 3 Midterm Vocab Quiz
How many hydrogen atoms are in three cis-platin molecules (3PtCl2N2H6)?
18
In order to have a "full" shell, most atoms 'want' to have ___ electrons in their outermost shell or subshell.
8
A proton has a mass that is ______________ than the mass of a neutron.
About the same
How would you determine the following from information found on the periodic table? Number of Protons
Atomic Number
How would you determine the following from information found on the periodic table? Number of Electrons
Atomic number but only in a neutral atom
Which ion would Ca most likely form?
Ca2+
How would you determine the following from information found on the periodic table? Number of Neutrons
Difference of mass number minus atomic number
Dispersion forces, polar forces and hydrogen bonding are all types of bonds that hold atoms together to make molecules and compounds.
False
If a molecular material is solid at room temperature, the high melting and boiling temperatures indicate there must be polar forces holding the molecules together.
False
Match the characteristics of nuclear processes with the correct process. It has been harnessed for commercial electricity generation
Fission
Match the characteristics of nuclear processes with the correct process. It involves breaking up large nuclei into smaller ones
Fission
Match the characteristics of nuclear processes with the correct process. Fuel for the process is relatively plentiful on earth
Fusion
Match the characteristics of nuclear processes with the correct process. It combines small nuclei to make larger ones
Fusion
Match the characteristics of nuclear processes with the correct process. It occurs on the sun
Fusion
Match the characteristics of nuclear processes with the correct process. Primary process in the most powerful nuclear weapons
Fusion
Which of the following elements form diatomic gases?
HNFOIClBr
Which of the following is the most ordered?
Kinetic Energy
Metals have which of the following properties?
Metals are good electrical conductors. Metals are shiny. Metals are malleable. Metals easily form alloys.
How does the mass of a proton compare to the mass of an electron?
Much larger than the electron
The modern definition of an element is a substance made up of atoms that all have the same number of
Protons
Ionic Bond
The bond between a metal and a nonmetal
Metallic Bond
The bond between two metal atoms
Covalent Bond
The bond between two nonmetal atoms
What does half-life mean?
The time it takes for half of all the nuclei to decay.
Which of the following is the least ordered?
Thermal Energy
Salts have which of the following properties?
Transparent Ionic bonds Combination of metal and nonmetal atoms
Baking soda and vinegar combine to make sodium acetate, carbon dioxide, and water. In this chemical reaction the reactants are the baking soda and vinegar
True
Polar molecules dissolve easily in water.
True
The energy required for a reaction to take place is known as the
activation energy
Two atoms that have the same atomic numbers but different atomic mass numbers are called
isotopes
