2. Atoms & Elements

Which of the following is the fundamental building block of all matter?

What is the mass number of an atom that contains 3 protons, 4 neutrons, and 3 electrons?

Which part of the atom is primarily involved in chemical bonding?

In the structure of an atom, where is the electron most likely to be found?

How many sets of chromosomes do diploid cells have?

How many protons are present in the nucleus of a fluorine atom?

Which element has 6 protons in its nucleus?

What is the atomic number of magnesium?

Which element is the most abundant in the atmospheres of Jupiter and Saturn?

Which of the following is the number of protons in an atom of the element with atomic number 13?

Which element has 13 protons in its nucleus?

Which of the following is the number of protons found in a neutral atom of phosphorus (element symbol P)?

How many neutrons are present in an atom of lead (Pb) with a mass number of 208?

Which of the following is the smallest unit of a compound that retains the chemical properties of that compound?

Which of the following best describes the difference between atoms and molecules?