Vocab. Quiz 3

Covalent Bond A. The bond between a metal and a nonmetal B. The bond between two nonmetal atoms C. The bond between two metal atoms

the bond between two nonmetal atoms

A proton has a mass that is ______________ than the mass of a neutron. A. Much less B. About the same C. Much greater

about the same

The energy required for a reaction to take place is known as the ______ energy

activation

How would you determine the following from information found on the periodic table? Number of Protons A. Atomic number B. Mass number C. Atomic number but only in a neutral atom D. Sum of atomic number plus mass number E. Difference of mass number minus atomic number

atomic number

How would you determine the following from information found on the periodic table? Number of Electrons A. Atomic number B. Mass number C. Atomic number but only in a neutral atom D. Sum of atomic number plus mass number E. Difference of mass number minus atomic number

atomic number but only in a neutral atom

Which of the following elements form diatomic gases? A. Sodium (Na) B. Oxygen (O) C. Helium (He) D. Zirconium (Zr) E. Nitrogen (N) F. Hydrogen (H) G. Chlorine (Cl) H. Neon (Ne)

- oxygen - nitrogen - hydrogen - chlorine

Salts have which of the following properties? A. Conduct electricity B. Transparent C. Ionic bonds D. Combination of metal and nonmetal atoms E. Malleable

- transparent - ionic bonds - combination of metals and nonmetals atoms

Match the characteristics of nuclear processes with the correct process. Fuel for the process is relatively plentiful on earth A. fission B. fusion

fusion

Two atoms that have the same atomic numbers but different atomic mass numbers are called?

isotopes

Metals have which of the following properties? A. Metals are good electrical conductors. B. Metals are poor conductors of heat. C. Metals are shiny. D. Metals are malleable. E. Metals are not very reactive with other elements. F. Metals easily form alloys. G. Metals form hard crystals with sharp faces. H. Metals are transparent.

- metals are good electrical conductors - metals are shiny - metals are malleable - metals easily form alloys

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

Which ion would Ca most likely form? A. Ca2+ B. Ca2- C. Ca6- D. Ca+

Ca2+

How would you determine the following from information found on the periodic table? Number of Neutrons A. Atomic number B. Mass number C. Atomic number but only in a neutral atom D. Sum of atomic number plus mass number E. Difference of mass number minus atomic number

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. A. true B. false

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. A. true B. false

false

Match the characteristics of nuclear processes with the correct process. It has been harnessed for commercial electricity generation A. fission B. fusion

fission

Match the characteristics of nuclear processes with the correct process. It involves breaking up large nuclei into smaller ones A. fission B. fusion

fission

Match the characteristics of nuclear processes with the correct process. It combines small nuclei to make larger ones A. fission B. fusion

fusion

Match the characteristics of nuclear processes with the correct process. It occurs on the sun A. fission B. fusion

fusion

Match the characteristics of nuclear processes with the correct process. Primary process in the most powerful nuclear weapons A. fission B. fusion

fusion

Which of the following is most ordered? A. Nuclear potential energy B. Kinetic energy C. Chemical potential energy D. Thermal energy E. Electrical potential energy

kinetic energy

How does the mass of a proton compare to the mass of an electron? A. Much less than the electron B. A little less than the electron C. About the same as the electron D. A little bit larger than the electron E. Much larger than the 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 A. Nucleons B. Neutrons C. Muons D. Protons

protons

Ionic Bond A. The bond between a metal and a nonmetal B. The bond between two nonmetal atoms C. The bond between two metal atoms

the bond between a metal and a nonmetal

Metallic Bond A. The bond between a metal and a nonmetal B. The bond between two nonmetal atoms C. The bond between two metal atoms

the bond between two metal atoms

What does half-life mean? A. The time it takes for a nucleus to lose half of its mass. B. Half the time it would take for all of the nuclei to decay. C. The time it takes for half of all the nuclei to decay. D. Half of the time it takes for a single nucleus to completely decay.

the time it takes for half of all the nuclei to decay

Which of the following is least ordered? A. Nuclear potential energy B. Kinetic energy C. Chemical potential energy D. Thermal energy E. Electrical potential energy

thermal energy

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 A. true B. false

true

Polar molecules dissolve easily in water. A. true B. false

true