3)

Atoms of which two elements have a combined total of 23 protons?

A) Sodium, Na, and magnesium, Mg

B) Boron, B, and carbon, C

C) Copper, Cu, and zinc, Zn

D) None of these

What is the molecular geometry, or shape, of phosphorus trichloride (pcl3) ?

Which group on the periodic table has elements with atoms that tend not to bond with atoms of other elements?

I'm trying to find the molarity of H2SO4 in this calculation. I attempted it but I still need someone to check my work. I used 10.00 mL of H2SO4 and the volume added to it was 24.97 mL of the 0.0924M NaOH solution.

How many formula units of LiCl are equal to 0.648 moles?

Suppose 13L of gas is known to contain. 965 Mol. If the amount of gas is Increased to 3.20 mol, what new volume will result? (Avagadro's Law)

What is hydrocarbon?

Why did most scientists reject Wegner's theory for nearly a half century?

Define prediction and explain how it is used to formulate a hypothesis.

A group of organisms that breed and produce offspring that can breed. A. Species B. ecosystem C. Biodiversity

What is the molality of a solution containing 100 grams of glucose (C6H12O6, molar mass = 180 g/mol) dissolved in 2.5 kg of water? 0.22 m 72 m 7200 m 40 m