Atoms, Compounds and Isotopes Flashcards
1
Q
What is the mass number?
A
The total number of protons and neutrons.
2
Q
What is the atomic number?
A
The number of protons.
3
Q
How do you find the number of neutrons?
A
Subtract the atomic number from the mass number.
4
Q
How are compounds formed?
A
When atoms of two or more elements are chemically combined together.
5
Q
Explain what is meant by the term isotope.
A
Isotopes are different atomic forms of the same element, which have the same number of protons but a different number of neutrons.
6
Q
Carbon-12 and Carbon-14 are both still the same element, but what’s the difference?
A
Carbon-14 is an isotope, it has two more neutrons than Carbon-12.
