What is the difference between landforms and landmarks

How does one determine the number of core electrons an atom has?

Why are the atomic masses of elements usually decimal numbers?

Which of the following is the correct molecular equation for the following reaction? Ca (ClO4) 2 (aq) + (NH4) 2SO4 (aq) → Group of answer choices Ca (ClO4) 2 (aq) + (NH4) 2SO4 (aq) → CaSO4 (s) + 2 NH4ClO4 (aq) Ca2 + (aq) + 2 ClO4 - (aq) + 2 NH4 +

Explain the term "parallax effect"

Write the element symbol for the element with the abbreviated electron configuration [ne]3s23p2.

You sealed an Erlenmeyer flask that was determined to have a volume of 272.2 mL with a stopper. The density of air at 25°C is 0.001185 g/mL. Air has an effective molar mass of 28.96 g/mol. What amount of air was sealed in the flask?

Let's say we start with 2.2lbs of uranium. If the half-line of U-235 is 703.8 million years, how much uranium will we have after 2,815 million years

When sulfuric acid (h2so4) loses its hydrogen in exchange for calcium it becomes a (ch 8) : ?

A laboratory requires 2.0 L of a 1.5 M solution of hydrochloric acid (HCl), but the only available HCl is a 12.0 M stock solution. How could you prepare the solution needed for the lab experiment? show all work to find your answer

What is the primary function of neurons?