im pretty sure its A if i did all my reasearch right.
hope this helps luv. <3
Answer:
Explanation:
moler mass of Cu is 63.546 g/mol. Since 63.546 g of copper has 6.022 x 10 power(23) atoms (Avogadro's number). = 9.5 x 10(power)21 atoms of copper.
Answer:
Three types of chemical bonds are important in human physiology, because they hold together substances that are used by the body for critical aspects of homeostasis, signaling, and energy production, to name just a few important processes. These are ionic bonds, covalent bonds, and hydrogen bonds.
Explanation:
Answer: They always have the same functional groups.
Explanation:
use quizlet too if you have toooo
The answer to 4 is A.
The answer to 5 is C.