Atomic Structure
1. This question has 5 part(s).
1.1. Look at Table 24.1.
It shows information about some atoms and ions.
Particle | Atomic number | Mass number | Number of protons | Number of neutrons | Number of electrons | Electronic structure |
A | 11 | 23 | 11 | .............. | 11 | 2.8.1 |
B | 23 | 19 | 9 | 10 | 9 | .............. |
C | .............. | 37 | 17 | .............. | 17 | 2.8.7 |
D | 13 | 27 | .............. | .............. | 10 | 2.8 |
Table 24.1
Complete the missing information in Table 24.1.
1.2. Particle A is a metal atom, particle D is an ion.
Explain why.
1.3. Element C has the electronic structure 2.8.7.
What does this electronic structure tell you about the position of element C in the periodic table?
Explain your answer
1.4. Complete the table below to give information about protons, neutrons and electrons.
Charge | Mass in atomic mass units | |
proton | ......................... | 1 |
neutron | ......................... | ......................... |
electron | negative | ......................... |
1.5. Rutherford was a scientist who helped to develop the atomic model.
State how Rutherford’s work contributed to the development of the atomic model.
Ai এর মাধ্যমে
১০ লক্ষ+ প্রশ্ন ডাটাবেজ
প্র্যাকটিস এর মাধ্যমে নিজেকে তৈরি করে ফেলো
উত্তর দিবে তোমার বই থেকে ও তোমার মত করে।
সারা দেশের শিক্ষার্থীদের মধ্যে নিজের অবস্থান যাচাই
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