2. Atoms & Elements

In noble gas notation, the symbol Xe is used to represent the electron configuration of which element as its core?

Which element on the periodic table has 25 protons?

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

Which statement accurately describes the chemical symbol of an element?

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

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

Which of the following is the atomic symbol for the element located in group 5A (15) and the fifth period of the periodic table?

Which of the following is the atomic number of zirconium (Zr)?

Which of the following is the atomic number of strontium (Sr)?

Which element on the periodic table has 29 protons?

What is the chemical symbol for magnesium?

Which of the following is the chemical symbol for silver?

Which of the following element symbols correctly represents the element with atomic number 8 on the periodic table?

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

Which of the following best describes helium (He) on the periodic table?