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E4L Atoms and nuclear reactions

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

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

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