Modern periodic table and electron configuration

12 questions

1. Which of these subatomic particles are located in shells around the nucleus of an atom?
2. How many protons does an atom of carbon have?
3. An atom has 12 protons and 12 neutrons. What is its mass number?
4. True or false? You can find out how many electrons are in a neutral atom of each element by looking at the periodic table.
5. An element has 16 electrons. Based on its electronic arrangement, determine whether it is more likely to be a metal or a non-metal.
6. Place the following models of the atom in chronological order based on their development, starting from the earliest to the latest:
7. Which group in the periodic table contains elements with a full outer electron shell?
8. How many electrons can the first shell of an atom hold (maximum)?
9. Which of the following statements about the periodic table is FALSE?
10. Identify the group number for elements with electronic configuration ending in 2,7.
11. Write the electron configuration of calcium (separate each number by a comma ",")
12. Write the element's symbol below for the element represented in this electron configuration diagram.

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