1. According to the periodic table, which statement correctly describes the change from a neutral atom of an element to its ion?

Which of the following is NOT a property of sodium?

Using the Periodic Table, Iodine (I) would have chemical properties most like

Which of the following pairs of atoms is unlikely to form a compound?

According to the periodic table, the neutral atom of what element has 4 protons, 5 neutrons, and 4 electrons?

The elements neon and argon are NOT reactive. Which hypothesis BEST explains this?

Which group forms 2+ ions?

All atoms of Oxygen have....

An ion of Chlorine has 18 electrons, 17 protons and 19 neutrons. What is its atomic number?

Which of these elements is a nonmetal?

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