Atoms Flashcards
1
Q
Where can you find atoms?
A
In everything
2
Q
What are the atoms made of?
A
Subatomic particles
3
Q
What is the charge of a proton?
A
1
4
Q
What is the charge of a neutron
A
0
5
Q
What is the charge of an electron?
A
-1
6
Q
What can you find on the nucleus?
A
Protons and neutrons
7
Q
Where can you find electrons?
A
In electron shells
8
Q
What is the atomic number?
A
The number of protons in the nucleus
9
Q
What is the mass number?
A
Neutrons and protons in the nucleus
10
Q
Atom has the ?(same/different)? amount of protons and electrons
A
Same
11
Q
Ions have a (same/different) number of electrons.
A
different
12
Q
Who discovered the subatomic particles?
A
JJ Thompson
13
Q
What did Dalton said?
A
-Atoms are small
-Can’t be broken down
-All atoms of one element are the same.
14
Q
What did Dalton get wrong?
A
Atoms CAN be broken down
