2. Atoms & Elements

Which property can be determined from the period in which an element appears on the periodic table?

Which of the following elements forms a most stable ion with a charge of +2?

What is the typical ionic charge of lithium (Li) when it forms an ion?

Which one of the following elements is most likely to form an ion with a 2+ charge?

What is the most common ionic charge of zinc when it forms compounds?

What is the overall charge on each chloride ion?

Which of the following statements about elements with atomic number z ≤ 92 is correct regarding their typical ionic charges?

Which of the following combinations of elements has atomic numbers that add up to 200?

Which of the following elements is a metalloid that would most likely form a positive ion?

Which element has the same number of energy levels (principal energy shells) as lithium?

What is the most common ionic charge of chlorine (Cl) when it forms an ion?

Which element on the periodic table has the largest number of protons?

Which of the following elements typically forms ions with a stable noble gas electron configuration?

Which element on the periodic table has 55 protons?