Atoms, Compounds And Isotopes Flashcards
1
Q
What’s the atomic number of an atom?
A
The number of protons in the atom
2
Q
What is the mass of a proton?
A
1
3
Q
What is the mass of a neutron?
A
1
4
Q
What is the mass of an electron?
A
Negligible
5
Q
How is a compound formed?
A
When atoms of two or more elements are chemically combined together
6
Q
What is the definition of an isotope?
A
A different atomic form of the same element which have the same number of protons but a different number of neutrons
7
Q
What is the mass number of an atom?
A
The total number of protons and neutrons in the atom
