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Is this true or false Nonmetals are good conductors of heat and electricity?
False. Nonmetals are poor conductors of heat and electricity compared to metals. This is because nonmetals have fewer free electrons available to carry an electric current or transfer thermal energy.
Is the following sentence true or false the average salinity of seawater is 35 percent?
False. The average salinity of seawater is actually around 3.5%, not 35%.
Are some nonmetals invisible?
No, all elements in the periodic table are made up of atoms that can be seen or detected using scientific instruments. Some nonmetals may have properties that make them difficult to see with the naked eye, but they are not invisible.
True or false the temperature of a substance changes during a change in state?
False. The temperature of a substance remains constant during a change in state until all of the substance has completed the phase change.
True or false most elements are nonmetal?
Most elements are metals.
Is the following sentence true or false Four of the nonmetals are gases at room tempurture?
True. At room temperature, four nonmetals—nitrogen, oxygen, fluorine, and neon—exist as gases.
Is the following sentence true or false four the number nonmetals are gases at room temperature?
It is neither, it is simply grammatically poor and makes little sense.
Is the following sentence true or false cartilaginous fishes are all herbivores?
false
Is the following sentence true or false an area contains only one habitat?
false
Are nonmetals invisible?
False
Is the following sentence true or false water molecules are polar?
True
True or false nonmetals are good cundocters of heat and electricity?
false
Is the following sentence true or false active transport always requires transport proteins during the process?
false
Is the following sentence true or false hydrogen servers as the final electron acceptor of the electron transports chain?
False
Is the following sentence true or false all people have the same daily requirements for nutrients and calories?
Very False
Is the following sentence true or false most of the oil wells that are drilled produce usable amounts of oil?
False
Is the following sentence true for false the deeper one travels into the grand canyon the younger the rocks become?
False
