WJEC GCSE Science (Double Award) 3430QD · 2.2(e)

The terms atomic number, mass number and isotope

Code: 2.2(e)
In: 2.2 Atomic Structure and the Periodic Table
Topic: 2 Unit 2: Chemistry 1
Course: GCSE Science (Double Award) 3430QD
Board: WJEC

Codes and titles are read by a script from WJEC's published specification and have not been checked by a person. What each point covers is in the specification itself: WJEC’s specification.

Points in 2.2 Atomic Structure and the Periodic Table

2.2(a) Atoms containing a positively charged nucleus with orbiting negatively charged electrons
2.2(b) Atomic nuclei containing protons and neutrons
2.2(c) The relative masses and relative charges of protons, neutrons and electrons
2.2(d) Atoms having no overall electrical charge
2.2(e) The terms atomic number, mass number and isotope
2.2(f) Protons, neutrons and electrons
2.2(g) Arrangement of the Periodic Table
2.2(h) Metals and non-metals in the Periodic Table
2.2(i) The electronic structures of the first 20 elements
2.2(j) Electronic structure and the Periodic Table
2.2(k) Group trends in properties
2.2(l) Loss and gain of electrons in reactions
2.2(m) Reactivity trends in Groups 1 and 7
2.2(n) The reactions of the alkali metals with air/oxygen, the halogens and water
2.2(o) The test used to identify hydrogen gas
2.2(p) The reactions of halogens with alkali metals and with iron
2.2(q) Halogen displacement reactions
2.2(r) Properties and uses of chlorine and iodine
2.2(s) Flame tests and halide tests
2.2(t) Group 0 gases and their uses