Atoms and Elements Flashcards
1
Q
The atomic stucture.
A
- Protons are positively charged.
- Neutrons are negatively charged.
- Neutrons are neutral.
2
Q
What is the charge of an atom?
A
Atoms have no charge. They are neutral.
3
Q
How do you find the number of protons in an atom?
A
Number of proton = number of electron
4
Q
What happens if some electrons are added or removed?
A
The atoms becomes charged and is then an ion.
5
Q
Define element.
A
a substance made from only one atom.
6
Q
What detemines the type of an atom?
A
The number of protons determines what type of atom.
For exapmle:
An atom with one proton in its nucleus is hydrogen and an atom with two protons is helium.