Atoms Flashcards
1
Q
What is made of atoms
A
Everything!
2
Q
Can matter be created or destroyed?
A
No, but they can be rearranged
3
Q
What three particles are matter made up of
A
Protons, neutrons and electrons
4
Q
What is the center of an atom called?
A
The center of an atom is called the nucleus
5
Q
What does the atomic number represent
A
the atomic number represents the number of protons in the atom
6
Q
What does the atomic mass represent
A
The atomic mass is the total number of particles with mass in the atom
7
Q
How do i calculate the number of neutrons in an atom
A
this can be calculated by subtracting the atomic number rand the atomic mass
