Calculate the mass in grams of each of the following substances. 6.02 x 10²³ atoms of mg

calculate the mass in grams of each of the following substances.
12.4 x 10¹⁵ molecules of ch₂o

calculate the mass in grams of each of the following substances.
3.01 x 10²³ formula units of cacl₂

Astable electron arrangement for an atom is one that does not easily change. how is this arrangement arrived at? a. valence electrons are transferred or shared to create a full outer shell of electrons. b. valence electrons are discarded into space to create a full outer shell of electrons. c. protons (positive charge) pair with valence electrons (negative charge) to create a strong bond. d. outer shells with valence electrons are transferred or shared.

How does climate change cause the ocean's thermohaline current to slow down?

At the current rate, a graph of carbon dioxide produced by fossil fuels over time would slope upward slope downward be horizontal be vertical