Chapter 2: Atoms, Ions, and Isotopes (2.1-2.3) Flashcards
1
Q
Nitrate formula
A
NO3 -
2
Q
Carbonate formula
A
CO3 2-
3
Q
Sulfate formula
A
SO4 2-
4
Q
Hydroxide formula
A
OH -
5
Q
Ammonium formula
A
NH4 +
6
Q
Nitric acid formula
A
HNO3
7
Q
What are the charges on Protons, Neutrons and Electrons?
A
Proton = +1, Neutron = 0, Electron= -1
8
Q
What are the relative masses of Protons, Neutrons and Electrons?
A
Proton = 1, Neutron = 1, Electron = negligible
9
Q
Isotope
A
Atoms of the same element with different numbers of neutrons and different masses
10
Q
Relative atomic mass
A
The weighted mean mass of an atom of an element compared with one–twelfth of an atom of carbon–12
11
Q
What other ions do you need to know?
A
Zn2+ and Ag+
12
Q
what makes an element a s/p/d block element?
A
when its highest energy electron is in an s/p/d sub shell
