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E4L Atoms and nuclear reactions

Author: Flavell Chris
Description:
Keywords: , , , , , , online teaching

Content:
Definitions:
0. Nuclear fusion
1. Period
2. Beta
3. Proton
4. Neutron
5. Electron
6. 2.8.8.1
7. Isotope
8. Nucleus
9. 2.8.18.7
10. Half life
11. Alpha
12. Radioactive
13. Group
14. Ion
15. 2.8.18.32

Answers:
0. Has an atomic (proton) no. of 0 but a mass of 1
1. Charged particle made by loss or gain of electrons
2. The max numbers of electrons in shells 1-4
3. The electron structure of K
4. Elements placed here based on no. of outer electrons
5. Two nuclei join together to form a heavier nucleus
6. Negative charge with almost zero mass
7. The electron structure of Br
8. This is the feature that causes nuclei to decay
9. Positively charged particle
10. Time taken - half radioactive substance - decay by half
11. Its nature is an electron
12. Made of a helium nucleus (2p %2b 2n)
13. Atom with same atomic number but different mass number
14. Discovered by the rutherford geiger marsden experiment
15. Elements placed here based on no. of e- shells
.