In the cores of extremely hot red giants, nuclear reactions convert helium to hydrogen carbon lead argon

Which type of bond is present in hydrogen sulfide (h2s)? the table of electronegativities is given. a. hydrogen b. ionic c. nonpolar covalent d. polar covalent

Great amounts of electromagnetic energy from our sun and other bodies in space travel through space. which is a logical conclusion about these electromagnetic waves? their energy must be very their frequency must be very low these waves can travel without a medium they only travel through a vacuum of space

Asubstance is a good conductor of electricity which of the following best explains a probable position of the substance in a periodic table