2.1 study guide Flashcards
1
Q
What is the purpose of a Proton?
A
Determines the element.
2
Q
What is the purpose of a neutron?
A
Helps stabilize the nucleus.
3
Q
What is the purpose of an Electron?
A
Participates in chemical reactions.
4
Q
What is an isotope?
A
atoms of the same element but with different numbers of neutrons.
5
Q
What is this element, mass, and charge?
8 protons
8 neutrons
10 electrons
A
element: Oxygen
mass: 16
charge: -2
6
Q
What is the number of protons, neutrons, and electrons?
element: Oxygen
mass: 18
charge: -2
A
protons: 8
neutrons: 10
electrons: 10
7
Q
Why are isotopes useful in scientific research.
A
Isotopes can help with determining the age of fossils, and nuclear medicine.
8
Q
Where are protons and neutrons located in an atom?
A
In the nucleus.
9
Q
Where are the electrons located in an atom?
A
The outer shell.
10
Q
A
