Ch2 Atomic Structure Flashcards
1
Q
Do non-metals loose or gain electrons
A
Gain
2
Q
What does the group number mean in the periodic table
A
t is the column it is in and means the number of electrons on the outer shell
3
Q
What does the period number mean in the periodic table
A
It is the row and means the number of shells the electron has
4
Q
What is the atomic number/proton number
A
Number of protons
5
Q
What is the mass number/nucleon number
A
Number of protons + number of electrons
6
Q
What is an isotope
A
Something that has the same number of protons but different number of neutrons.
-Same atomic number, different mass number
7
Q
What is an ion
A
They charged particle
8
Q
What is a positive ion called
A
A cation
9
Q
What is a negative ion called
A
Anion
10
Q
Do metals lose or gain electrons
A
Loose
