GCSE Chemistry Paper 1 AQA 2022
Foundation
What is an atom? - Answer Smallest particle of an element. everything is made of
atoms
What is in the centre of an atom? - Answer nucleus
What is the nucleus of an atom? - Answer protons and neutrons
what is the mass and charge of protons? - Answer heavy mass of 1, positive charge of
+1
what is the mass and charge of neutrons? - Answer heavy mass of 1, neutral charge of
0
what is in the outer shells of an atom? - Answer electrons
what is the mass and charge of electrons? - Answer very small mass, negative charge
of -1
what is the overall charge of an atom? - Answer neutral charge of 0
what is the overall charge of an atom's nucleus? - Answer positive due to the protons
what does the mass number of a nuclear symbol tell you? - Answer the total number of
protons and neutrons in an atom
what does the atomic number of a nuclear symbol tell you? - Answer the number of
protons in an atom. it is the same as the number of electrons
what is an element? - Answer a substance that contains only one type of atom. the type
of atom is determined by the amount of protons
what is an example of an element? - Answer Hydrogen. it contains atoms with only 1
proton
what is an isotope? - Answer Atoms of an element that have the same number of
protons but a different numbers of neutrons
what is relative atomic mass? - Answer An average mass of all the isotopes making up
an element
how is relative atomic mass calculated? - Answer by multiplying the abundance of an
isotope by the isotope mass number and dividing it by the total abundance of all the
isotopes
Foundation
What is an atom? - Answer Smallest particle of an element. everything is made of
atoms
What is in the centre of an atom? - Answer nucleus
What is the nucleus of an atom? - Answer protons and neutrons
what is the mass and charge of protons? - Answer heavy mass of 1, positive charge of
+1
what is the mass and charge of neutrons? - Answer heavy mass of 1, neutral charge of
0
what is in the outer shells of an atom? - Answer electrons
what is the mass and charge of electrons? - Answer very small mass, negative charge
of -1
what is the overall charge of an atom? - Answer neutral charge of 0
what is the overall charge of an atom's nucleus? - Answer positive due to the protons
what does the mass number of a nuclear symbol tell you? - Answer the total number of
protons and neutrons in an atom
what does the atomic number of a nuclear symbol tell you? - Answer the number of
protons in an atom. it is the same as the number of electrons
what is an element? - Answer a substance that contains only one type of atom. the type
of atom is determined by the amount of protons
what is an example of an element? - Answer Hydrogen. it contains atoms with only 1
proton
what is an isotope? - Answer Atoms of an element that have the same number of
protons but a different numbers of neutrons
what is relative atomic mass? - Answer An average mass of all the isotopes making up
an element
how is relative atomic mass calculated? - Answer by multiplying the abundance of an
isotope by the isotope mass number and dividing it by the total abundance of all the
isotopes
