Answer:
Atoms of each element contain a characteristic number of protons and electrons. The number of protons determines an element's atomic number and is used to distinguish one element from another.
Answer:
Explanation:
i would say not d im not fully sure but id say c
- Atomic weight of copper = 63.5 g
- 1 mole of copper contains = 63.5g = 6.023 × 10²³ atoms of copper
- 1 g of copper contains
= 9.4 × 10²¹ atoms- Therefore, 3.11g of copper contains

- = 29.234 × 10²¹ atoms
Hope you could get an idea from here.
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