2. Atoms & Elements

Which of the following is the correct chemical symbol for potassium?

Which of the following lists contains only correct chemical symbols for three different atoms or atomic cations with electrons?

Which of the following element symbols correctly represents the element potassium on the periodic table?

What is the atomic number of the element osmium (Os) on the periodic table?

Which of the following is the correct chemical symbol for gold?

Which of the following is the atomic number of silver (Ag) on the periodic table?

Which of the following elements has the symbol 'T' on the periodic table?

Which of the following element symbols correctly represents the element potassium on the periodic table?

How many protons does the element mercury (symbol Hg) have?

Which element on the periodic table has 17 protons?

Which of the following statements about sodium is correct?

Which of the following is the chemical symbol for helium?

Which of the following statements accurately describes the placement and classification of iodine on the periodic table?

Which element, represented by its symbol on the periodic table, is essential for providing strength to bones?