atomic structure and bonding Flashcards
1
Q
what do electrons do
A
occupy energy levels and orbit the nucleus
2
Q
what can u find in the nucleus
A
protons and neutrons
3
Q
factors of an electron
A
relative mass= 0
charge= -1
4
Q
factors of a proton
A
relative mass= 1
charge= +1
5
Q
factor of a neutron
A
relative mass= 1
charge= none
6
Q
number of protons are equal to…
A
number of electrons
7
Q
atomic number is equal to…
A
number of protons
8
Q
mass number is equal to…
A
number of protons + neutrons
9
Q
define an isotope
A
atoms of the same element with the same atomic number but a different mass number due to a different number of neutrons
10
Q
non metals share electrons…
A
with other non-metal atoms
11
Q
define a covalent bond
A
electrostatic force of attraction between positive nuclei and a pair of electrons
12
Q
linear
A
1 or 2
13
Q
angular
A
2
14
Q
pyramidal
A
3
15
Q
tetrahedral
A
4
