Physics

11 August, 21:26

Magnesium is an alkaline earth metal with an atomic number of 12. It's in the third row in the periodic table. Which expression shows one way to find the number of valence electrons in one atom of magnesium? A. 12x3 B. 12/3 C. (12-8) - 2 D. (12-2) + 8 or E. (12+2) - 8

+5

Answers (1)

Know the Answer?

Not Sure About the Answer?

Find an answer to your question 👍 “Magnesium is an alkaline earth metal with an atomic number of 12. It's in the third row in the periodic table. Which expression shows one ...” in 📗 Physics if the answers seem to be not correct or there’s no answer. Try a smart search to find answers to similar questions.

Search for Other Answers

You Might be Interested in

Empty spaces are referred to as

Which of these quantities needs to have a direction associated with it? Select one: a. force only b. force and acceleration c. mass only d. acceleration only

A stationary police car emits a sound of frequency 1200 hz that bounces off a car on the highway and returns with a frequency of 1250 hz. the police car is right next to the highway, so the moving car is traveling directly toward or away from it.

A vitamin called folic acid is very important for neural tube development, which is the development of the baby's

Potiential difference

New Questions in Physics

Your heart pumps 80 g of blood with each beat. The blood starts from rest and reaches a speed of 0.60 m/s in the aorta. If each beat takes 0.16 s, the average force exerted on the blood is a. 3.0" 102 N b. 0.22 N c. 0.16 N d. 0.30 N e. 0.98 N

What is the formula for calculating the mass when i have the number of volume and density

What is the name for potential difference that causes current to flow? (A) electric charge (B) static discharge (C) voltage

How is a herpetologist and a ecologist similar

In an oscillating lc circuit, when 75.0% of the total energy is stored in the inductor's magnetic field, (a) what multiple of the maximum charge is on the capacitor and (b) what multiple of the maximum current is in the inductor?