atoms / ions Flashcards
1
Q
atom
A
smallest amount of an element
2
Q
all atoms of an element have the same
A
chemical properties
3
Q
you cannot destroy or create
A
atoms
4
Q
everything is made up of
A
atoms
5
Q
what makes up an atom
A
electrons protons and neurons
6
Q
protons have a _____ charge
A
positive charge
7
Q
where are protons in a atom
A
the center / the nucleus
8
Q
neurons have a ____ charge
A
neutral
9
Q
where are neurons in the atom
A
inside nucleus
10
Q
electrons have a ____ charge
A
negative charge
11
Q
where are electrons in an atom
A
electron cloud, outside nucleus
12
Q
number of protons = number of electrons in a _____
A
neutral atom
13
Q
elements
A
substance that cannot be broken down
14
Q
the number of protons = atomic number in a ___
A
element
15
Q
mass number
A
total number of protons and neutrons