Exam (elaborations)
CK-12 4.1 Atoms Questions and Answers
- Course
- Institution
Exam of 2 pages for the course Atom at Atom (CK-12 4.1 Atoms)
[Show more]
Content preview
CK-12 4.1 Atomsscanning tunneling microscope - answer The only microscope that can make images of
things as small as atom.
What are Atoms? - answer Atoms are building block of matter. They are the smallest
particles of an element that still have element's properties.
Elements - answer Pure Substances- such as nickel, hydrogen, and helium- that make
up all kinds of matter.
Size of Atoms - answer Atoms are extremely small. The radius of an atom is under 1
nanometer, which is one-billionth of a meter.
Which element I has the biggest atom? (From what we have learned) - answer Cesium
(CS)
Three main types of particle that make up all atoms are - answer Protons, electrons,
and neutrons
What is proton? - answer Subatomic Particles which has a positive electric charge.
What is electrons? - answer Which have a negative electric change.
What is neutrons? - answer Which are neutral in electric charge.
What is nucleus? - answer The dense area at the center is called the nucleus. Where all
the protons and neutrons are clustered closely together.
What does electrons do? - answer They constantly move around the nucleus.
All Atoms of carbon have six protons. How many electrons do carbon atoms have? -
answer Six electrons
What is all matter made of? - answer Atoms
The radius of an atom is closest in size to a ___________. - answer Nanometer
A neutral atom has equal numbers of _____ and electrons. - answer Protons
What is contained in the nucleus of an atom? - answer protons and neutrons
What do all atoms of the same electrons have in common - answer Number of protons
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller julianah420. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $12.99. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
77254 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now