What metals are more reactive than mercury choose all that apply

1. lithium
2. potassium
3. iron
4.silver

Which best describes why nh4+ can form an ionic bond with cl-?

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.

The name of the ion, s2-, is: sulfurous ion sulfide ion sulfur ion sulfate ion