2.1 Flashcards
1
Q
Define isotope
A
Different amount of neutrons, different mass, same element
2
Q
Do valence electrons affect nuclear or chemical reactions?
A
Chemical
3
Q
Where are valence electrons located?
A
Outer shell
4
Q
Why are isotopes useful in scientific research?
A
Can help determine age
5
Q
Where are protons and neutrons found in an atom?
A
Nucleus
6
Q
Where are electrons found
A
electron cloud
7
Q
Determine the amount of protons, neutrons, and electrons of a carbon atom with a net charge of 0 and a mass number of 12.
A
Protons- 6
Neutrons- 6
Electrons-6
8
Q
What is the atomic mass of an atom with 6 protons, 6 neutrons, and 8 electrons
A
14
9
Q
What is the charge of protons
A
+1
10
Q
How many valence electrons does neon have
A
8
