Atoms Chemistry Flashcards
1
Q
Where are neutrons and protons in an atom?
A
In the nucleus
2
Q
What charge does a neutron have?
A
It has 0 charge
3
Q
How do you find the relative atomic mass?
A
Number of protons + Number of neutrons
4
Q
What is an isotope?
A
Isotopes have different number of neutrons, same number of protons
5
Q
What is the charge of a proton?
A
+1 (positive)
6
Q
Where do you find the electrons?
A
In the rings of the atom (electron shells)
7
Q
What is an example of an isotope?
A
Carbon-13
8
Q
What is the top number of an element called?
A
Atomic mass number (protons and neutrons added together)
9
Q
What is the bottom number on an element called?
A
This is the number of protons which is the atomic number
10
Q
What is the charge of electrons?
A
-1 (negative)