Atomic Structure
1. This question has 4 part(s).
1.1. Figure 1 shows some statements about the nucleus of an atom.
Put ticks (✓) in the boxes in Figure 1 to show which statements are true and which statements are false
True | False | |
The nucleus is very small compared to the overall size of an atom | ||
The nucleus is larger than the atom | ||
The nucleus is about the same size as the atom | ||
The nucleus occupies majority of the mass of an atom |
Figure 1
1.2. The model of an atom has changed over time due to the development in experimental techniques.
Place ticks in boxes by the two statements which best describe what the gold foil experiment revealed about the structure of the atom.
Figure 2
The nucleus is positively charged | |
Electrons are evenly distributed throughout the atom | |
The nucleus is small and contains most of the atom’s mass | |
Protons and neutrons are evenly distributed |
1.3. The diagram shows the structure of an atom using the current model of the atom.
How does this diagram show that this is an atom of beryllium?
1.4. The relative mass of carbon-12 is 12 and the relative mass of carbon-13 is 13.
Complete the following table about the subatomic particles found in two isotopes of carbon.
Number of protons | Number of neutrons | Number of electrons | |
carbon-12 | 6 | ……………. | 6 |
carbon-13 | 6 | ……………. | 6 |
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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