Weegy: Ultraviolet rays is the type of electromagnetic radiation causes certain substances to fluoresce. (More)

Weegy: If you find that a substance turns litmus paper to blue and contains hydroxide ions, it is most likely: a BASE. User: what is the percent composition of sulfur in h2so4 Weegy: 32.7% is the percent composition of sulfur in H2SO4. User: in a nuclear reaction energy is released by the combination of two elements into a new element. this process is an example of Weegy: In a nuclear reaction, energy is released by the combination of two elements into a new element. This process is an example of nuclear fusion. User: the names of the compounds fes, naci, and ai3o2, all end in the suffix Weegy: The names of the compounds FeS, NaCl, NaOH, and Pb(CN)2 all end in the suffix -ide. User: in order to digest food, the human body requires (More)

Weegy: The periodic table is a tabular arrangement of the chemical elements, ordered by their atomic number (number of protons), electron configurations, and recurring chemical properties. User: Which scientist first attempted to construct a periodic table based on an element's atomic mass Weegy: Dmitri Mendeleev: first attempted to construct a periodic table based on an element's atomic mass. User: Which of the following accurately describes acids and bases in regard to ionization Weegy: When free hydrogen ions and free hydroxyl ions are removed from solutions of acids and bases, [ the acidic and basic properties disappear.- accurately describes acids and bases in regard to ionization. ] User: The molecular mass of sodium oxide na2o is Weegy: The molecular mass of sodium oxide (Na2O) is 61.9789 g/mol. User: all of the following elements produce magnetic fields except for Weegy: All the following elements produce magnetic field except for copper. User: Which of the following would not be a reason to create a controlled fusion reactor (More)

Weegy: These elements tend to gain or lose electrons easily. -is not true in regard to noble gases. User: Which of the following elements is sable (More)

Weegy: Adding more protons to a positively charged body until the number of protons matches the number of electrons does not serve as a way to neutralize the charge in a [ body. ] User: A voltage of 9 A flows through an electric device with a resistance of 43 ohms. What must be the applied voltage in this particular circuit Weegy: A current of 9 amps flows through an electric device with a resistance of 43 ohm. The applied voltage in the particular circuit is 387 volts. ; V =IR ; V = 9 * 43 = 387 volts. User: Magnet A doesn't have its poles labeled, but Magnet B has a clearly labeled north and south pole. If these two are brought into contact with one another, which of the following could you expect? (More)