Module 2, section 1, atoms and moles Flashcards
the atom atomic models relative mass the mole gas volumes concentration calculations
1
Q
What is the diameter of the nucleus
A
1x10^-14 m
2
Q
what is the diameter of an atom
A
1x10^-10 m
3
Q
how much bigger than the nucleus is an atom
A
10,000 x
4
Q
what is the atomic number
A
the number of protons in the nucleus of an atom
5
Q
what is the mass number
A
the total number of protons and neutrons in the nucleus of an atom
6
Q
what is an isotope
A
atoms of the same element with the same number of protons but a different number of neutrons
7
Q
what is a cation
A
a positive ion, that has lost one or more electrons
8
Q
what is an electron
A
a negative ion that has gained one or more electrons
9
Q
what is the formula for copper(II) sulphate
A
CuSO4
10
Q
what is the formula for nitric acid
A
HNO3
11
Q
ammonium ion
A
NH4 +
12
Q
silver ion
A
Ag +
13
Q
lead ion
A
Pb 2+
14
Q
tin ion
A
Sn 2+
15
Q
zinc ion
A
Zn 2+
