Chemistry Flashcards
1
Q
How do you find the number of neutrons?
A
Mass number-atomic number
2
Q
How many electrons can the first she’ll fit?
A
2e-
3
Q
Shell 2 can hold a max of…
A
8e-
4
Q
Shell three can hold a max of…
A
8e-
5
Q
Shell four can hold a max of….
A
2e-
6
Q
How many natural elements are there?
A
92
7
Q
The columns going down in the periodic table
A
Groups
8
Q
The groups going across the periodic table
A
Period
9
Q
What is an electric charge on an atom called?
A
Negative (e-)
10
Q
Two or more elements or compounds not chemically joined?
A
Mixture
11
Q
The smallest whole particle of an element
A
Atom
12
Q
An atomic particle with no charge
A
Neutron
13
Q
These partials spin around the nucleus of an atom?
A
Electron
14
Q
The number of protons in the atom nucleus give you
A
The atomic number
15
Q
When neutrons are combined with protons you get the
A
Atomic mass
