Which elements have the same number of energy shells (levels)? magnesium (Mg)
rubidium (Rb)
boron (B)
iodine (I)
argon (Ar)
silicon (Si)

Which is a characteristic of mixtures?

Which of the following best explains why the end of a spoon sticking out of a cup of hot water also gets hot? question 7 options: the heat from the hot water is conducted through the spoon handle the hot water heats the air surrounding the upper part of the spoon. the hot water causes a physical change in the spoon handle. the hot water causes a chemical reaction to take place in the spoon.

Why does a cake rise when you bake it? ♡