A bromine atom has an atomic number of 35 and an atomic mass of 80. What is the structure of this atom?
A. It has a central nucleus composed of 45 protons and 35 neutrons,
surrounded by an electron cloud containing 35 electrons.
O B. It has a central nucleus composed of 35 protons and 80 neutrons,
surrounded by an electron cloud containing 35 electrons.
C. It has a central nucleus composed of 35 protons and 35 neutrons,
surrounded by an electron cloud containing 45 electrons.
D. It has a central nucleus composed of 35 protons and 45 neutrons,
surrounded by an electron cloud containing 35 electrons.

1. when conducting a test on what kind of music increases the growth of plants, all of the following would fail to meet to fair test standard except (1 point) using different kinds of plants. giving some plants more water than others. exposing the plants to different types of music. using nutrient-rich soil for one and lesser soil for others. 2. engineering uses scientific thinking to solve real-world problems. (1 point) true false 3. what does it mean to test a hypothesis? (1 point) pass a quiz on other scientists’ results analyze only the results from scientific sources not make assumptions about how an experiment will turn out see if the results of an experiment are what the scientist predicted