Cards Flashcards
(9 cards)
1
Q
What is an atom
A
An atom is any living things
2
Q
What are the basics of an atom
A
Atoms are the building block of all substances
3
Q
What are atoms made of
A
Atoms are made of small particles known as subatomic particles
4
Q
What are the three types of subatomic particles
A
Neutrons, protons, and electrons
5
Q
Most of the mass in an atom is concentrated in the what?
A
Nucleus
6
Q
How can you calculate the number of electrons in each energy level
A
2n²
7
Q
In the Bohr model of the atom, electrons what?
A
Exist in only specific fixed energy levels
8
Q
What is an isotope
A
And isotope is the same element that have the same protons and a different number of neutrons
9
Q
A