What is the charge on an ion that has an atomic number of 27 and contains 26 electrons?

Compared with the cost of tuition, fees, and books for a traditional college course, the cost of a clep exam is:

Give 2 examples of the sedimentation in the deep ocean?

Arecent survey shows that the probability of a college student drinking alcohol is 0.6. further, given that the student is over 21 years old, the probability of drinking alcohol is 0.8. it is also known that 30% of the college students are over 21 years old. the probability of drinking or being over 21 years old is