5.1 Flashcards
What are isotopes?
Atoms with the same protons and electrons and different neutrons.
What relationship does distance have with force?
Inverse.
What relationship does charge have with force?
Direct
What charges attract?
Same.
What charges repel?
Different.
Where are protons?
Nucleus.
Where are neutrons?
Nucleus.
Where are electrons?
Around nucleus.
What do protons do?
Identify the atom.
What do neutrons do?
Keep the protons together.
What do electrons do?
Affect the chemical reactions of the atom.
What is the mass of protons?
1 amu.
What is the mass of neutrons?
1 amu.
What is the mass of electrons?
Virtually 0.
What is the charge of protons?
+1
What is the charge of neutrons?
0
What is the charge of electrons?
-1
What is electronegativity?
A measure of attraction for an atom.
P: 8
N: 8
E: 10
Find mass and charge
Mass: 16
Charge: -2
Mass: 35
Atomic #: 17
Charge: -1
Find protons, neutrons, and electrons
P: 17
N: 18
E: 18
How are isotopes useful in science?
Diagnoses.
Which element has the highest electronegativity?
Flourine
Which element has the lowest electronegativity?
Cesium/Francium
