Which of the following correctly identifies the composition of a sodium atom, which has an atomic number of 11 and an atomic mass of 23?
a. 11 protons, 8 electrons, and 11 neutrons
b. 11 protons, 11, electrons, and 11 neutrons
c. 11 protons, 11 electrons, 12 neutrons
d. 6 protons, 8 electrons, and 12 neutrons
i need i am totally confused on what the answer is

How do symptoms created by inflammation the doctor

Which type of transport is responsible for oxygen entering into blood cells? a. vesicle b.passive c. facilitated d.active b.passive

When does a spring tide occur? question 9 options: they occur when the sun, moon, and earth are aligned. in spite of their name, these tides occur twice a year in the spring and fall. they occur on the date of the vernal equinox each year, no matter what stage the moon is in. this is why they are called spring tides. they occur when the sun, moon, and earth are at 45-degree angles from each other. this happens once every spring. they occur when the sun, moon, and earth are aligned. in spite of their name, these tides occur all year long.