An atom that gains or loses one or more electrons is called a(n)

If 22.5 liters of oxygen reacted with excess of hydrogen, how many liters of water vapor could be produced?

Write the chemical formula for a compound that is made of an element from group 1 and an element from group 17

13. a covalent bond between two atoms is likely to be polar if: a. one of the atoms is much more electronegative than the other. b. the two atoms are equally electronegative. c. the two atoms are of the same element. d. the bond is part of a tetrahedrally shaped molecule. e. one atom is an anion.