value: 2\nthe number of ____ in an atom is the atomic number of that element.\n○ a. neutrons\n○ b…

value: 2\nthe number of ____ in an atom is the atomic number of that element.\n○ a. neutrons\n○ b. protons\n○ c. electrons\n# 9/10\n< prev next >

value: 2\nthe number of ____ in an atom is the atomic number of that element.\n○ a. neutrons\n○ b. protons\n○ c. electrons\n# 9/10\n< prev next >

Answer

Answer:

B. protons

Brief Explanations:

The atomic number of an element is defined by the number of protons in an atom. Neutrons contribute to atomic mass, and in a neutral atom, electron number equals proton number, but the atomic - number is based on protons.