Topic 1 (chemistry A level edexcel)

Topic 1 (chemistry A level edexcel) Atomic number - correct answersNumber of protons in the nucleus First ionisation energy - correct answersEnergy required when one mole of gaseous atoms forms one mole of gaseous ions How does first ionisation energy change down a group? - correct answersIt decreases Isotope - correct answersAtoms with the same number of neutrons but different number of neutrons Mass number - correct answersnumber of protons and neutrons in the nucleus Number of electrons in a D orbital - correct answers10 Number of electrons in a F orbital - correct answers14 Number of electrons in a P orbital - correct answers6 Number of electrons in an S orbital - correct answers2 Number of orbitals for an D sub shell - correct answers5 Number of orbitals for an F sub shell - correct answers7 Number of orbitals for an P sub shell - correct answers3 Number of orbitals for an S sub shell - correct answers