These questions are designed to be considered by groups of...

These questions are designed to be considered by groups of students in class. Often these questions work well for introducing a particular topic in class. Which of the following is true about an individual atom? a. An individual atom should be considered a solid. b. An individual atom should be considered a liquid. c. An individual atom should be considered a gas. d. The state of the atom depends on which element it is. e. An individual atom cannot be considered a solid, liquid, or gas. Justify your choice, and for those you did not choose, explain why they are incorrect.

These questions are designed to be considered by groups of students in class. Often these questions work well for introducing a particular topic in class.
Which of the following is true about an individual atom?
a. An individual atom should be considered a solid.
b. An individual atom should be considered a liquid.
c. An individual atom should be considered a gas.
d. The state of the atom depends on which element it is.
e. An individual atom cannot be considered a solid, liquid, or gas. Justify your choice, and for those you did not choose, explain why they are incorrect.

Key Concepts

States of Matter

States of matter (solid, liquid, gas) are classifications used to describe the macroscopic behavior of a large collection of particles. These classifications arise from interactions between many atoms or molecules and the conditions such as temperature and pressure, not from the properties of individual atoms.

Macroscopic vs. Microscopic Properties

The concept of emergent properties highlights that certain characteristics, like being a solid, liquid, or gas, are only observable when many particles interact collectively. An individual atom does not exhibit these macroscopic properties, illustrating the fundamental difference between single particle behavior and the collective behavior seen in bulk matter.

Transcript

00:01 So we're thinking about our friend, the atom.

00:05 And when we think about an atom, we've seen it in multiple forms just throughout our knowledge and throughout history.

00:15 In those different models, we've seen like i wrote the field models and whatnot, how we'd like to think about atoms.

00:29 And so now we're thinking about what do we know about the individual atom.

00:36 Just then.

00:38 So again, we're looking at one atom and we can make that an atom.

00:52 And that's taking clear all we're thinking about.

00:55 Now we know what could do to the electrons, atoms have a cloud to speak around them.

01:00 And really this cloud, i like to call a cloud uncertainty, but it's because depending on the atom, the electron can be almost in any position in this cloud orbiting around.

01:10 Of course, we have concepts literally called orbitals that can help us predict how these electrons behave, but it's still a bit of just uncertainty in that principle.

01:22 So what we're looking at is which is the following questions about an atom is correct or true.

01:32 Now i won't write out the whole statement, but i will give you the letter and we'll talk about it.

01:35 So, a, an individual animal should be considered a solid.

01:39 Well, that's false.

01:43 You can't consider an atom by itself to be solid because states a matter.

01:54 Depend on electron binding and this affinity.

02:05 It can on arrangement of electrons.

02:19 Then let's look at b.

02:21 Individual outspics is liquid.

02:22 Also, false.

02:25 C .a...