2.1 Study Guide Flashcards
1
Q
What is the charge of a proton
A
Positive
2
Q
What is the charge of a electron
A
Negative
2
Q
What is the charge of a neutron
A
Neutral
3
Q
Do electrons weigh anything
A
No
4
Q
How do you determine the Atomic Mass of a element
A
Protons + Neutrons
5
Q
Why are isotopes useful in a scientific experiment
A
Elemental isotopes differ in mass and sometimes in radioactivity. Both properties can be used in biological research (and medical treatments). Differences in mass or radioactivity can be used to see where specific elements react with other compounds.
6
Q
How do you determine how many protons are in a atom
A
Its Atomic number
7
Q
A
