Elements, Compounds, And Mixtures Flashcards
1
Q
What is the atomic number of an atom
A
The number of protons
2
Q
What is the mass number of an atom
A
The number of protons + neutrons in an atom
3
Q
What is a molecule
A
A joined group of atoms
4
Q
What is an isotope
A
Different atomic forms of the same element, they have the same proton number but a different neutron number
5
Q
What is an element
A
A substance only made up of one type of atom
6
Q
What is a compound
A
A substance made up of 2 or more elements that are chemically bonded together
7
Q
What is a mixture
A
A substance made up of 2 or more compounds or elements that are not chemically bonded
And is easy to separate as a result
