2. Atoms & Elements

Which statement about the relative potential energy of electrons in an atom is correct?

How many protons are present in a neutral atom of copper (Cu)?

Which property determines the identity of an atom?

Which parts of the atom move around the nucleus?

Which of the following best describes the difference between a molecule and an atom?

Electrons have what type of charge?

Which of the following does NOT accurately describe the forces that exist within an atom?

Which component in Uranus's atmosphere is primarily responsible for its blue tint?

Which subatomic particle's number determines the distinctive properties and identity of an element?

Which of the following is the smallest unit of an element that still retains the chemical properties of that element?

How many protons are present in an atom of gallium (Ga)?

Which of the following determines the identity of an element?

Why can't an atom easily lose or gain a proton under normal chemical reactions?

Which of the following is the number of protons in an atom of sodium (Na)?

Where were the atoms in the plastic of your chair originally formed?