How many atoms are in this formula? 2 Fe 1 2 3 4

Explain how metallic atoms become ions.

Arrange the following aqueous solutions, all at 25 ∘C, in order of decreasing acidity. Rank from most acidic to most basic. To rank items as equivalent, overlap them.

Why does water condense onto the grass when the air is clear?

How many valence electron do hydrogen have

What two trends are commonly seen in modern monthly co2 concentration charts?

Which describes the alkalaine solution? A) pH less than 7 B) pH equal to seven C) basic D) acidic

Limestone is primarily a crystal form of caco 3 . How many moles of oxygen are in a 1.25 mol sample of caco 3 ? Only include the numerical value in your answer. Do not include units.

The expression of 5522 km in scientific notation is

Gallium crystallizes in a primitive cubic unit cell. The length of an edge of this cube is 362 pm. What is the radius of a gallium atom?

Amy is holding one end of a jump rope. Her friend Beth is holding the other end of the rope. Amy swiftly moves the handle of the jump rope downward, creating a large wave in the rope. Will Beth feel a tug on the rope at her end?