The number of valence electrons in sodium is/are
a 1
b 4
C2
d 3

According to periodic trend, which of the following most likely has the highest ionization energy? kr be ni sc

Which of these is not an example of chemical weathering? a. iron-rich mineral rusting b. feldspar turning into clay c. limestone reacting with acid d. granite breaking up into sand

How does a large body of water, such as the ocean, influence climate?