AQA unit 1 Chemistry Flashcards
What is an element
A substance made of one type of atom
What is a compound
A substance made of two or more types of atom chemically bonded together
What is a mixture
Two or more elements and compounds not chemically bonded together
Is oxygen an element compound or mixture
Its an element
Is carbon dioxide an element, compound or mixture
A compound
Is air an element, compound or a mixture
A mixture
How many carbon atoms are in CO2
One carbon atom
How many chlorine atoms are in A13Cl6
Six chlorine atoms
How many different elements are in C6H12O6
Three different elements(carbon,hydrogen,oxygen)
What is the centre of an atom called
The nucleus
Where are three subatomic particles in an atom
Protons, electrons and neutrons
Where are protons and neutrons located in the atom
In the nucleus
Where are electrons located
In the shells
What is the charge of a neutron
zero
What is the mass of a proton, electron and neutron
hint PEN 101
1,0,3