Atomic structure
5.0(4)Studied by 157 people
Call Kai
Learn
Practice Test
Spaced Repetition
Match
Flashcards
Knowt PlayCard Sorting
1/11
Earn XP
Last updated 10:33 AM on 3/23/23
Name | Mastery | Learn | Test | Matching | Spaced | Call with Kai |
|---|
No analytics yet
Send a link to your students to track their progress
12 Terms
1
New cards
Who had the first idea of the existence of an atom and when?
^^john Dalton, 200 years ago^^
2
New cards
**What particles are atoms made of?**
^^protons, neutrons and electrons^^
3
New cards
What is within the nucleus and what orbits?
^^nucleus=protons and neutrons^^
^^orbit= electrons^^
^^orbit= electrons^^
4
New cards
What are two properties of protons, neutrons and electrons that are especially important?
^^mass and electrical charge^^
5
New cards
What is the number above a element?
^^mass number^^
6
New cards
What is the number below a element?
^^atomic number^^
7
New cards
How to count protons?
^^atomic Number from periodic table^^
8
New cards
How to count neutrons?
^^mass Number minus the number of protons^^
9
New cards
How to count electrons?
^^same as protons^^
10
New cards
What is an isotope?
^^atoms of the same element always have the same number of protons, they may have different numbers of neutrons^^
11
New cards
What are the properties of an isotope?
^^the isotopes of an element are identical in their chemical reactions.^^
12
New cards
How small is an atom?
^^thickness of a crisp^^
