Use the periodic table to write the names of the elements that have the following symbols, and
identify each as a metal, nonmetal, metalloid, or
noble gas.
a. K
b. Ag
c. Si
d. Na
e. Hg
f. He

Which real-world scenarios below represent physical and chemical changes? -running a car -exploding fireworks -mixing water and powdered drink mix -combining oil and vinegar to make salad dressing -taking aspirin for a headache -diluting bleach with water-digesting dinner-spreading peanut butter on bread

If 1.8 l of water is added to 2.5l of a 7.0 m koh solution, what is the molarity of the new solution

What are the names of these two interactions with cattle and how do they differ from each other