Which is the equation of a circle with its center at (-4,2) and a radius of 4?

Select one:

a. (x+4) 2 + (y-2) 2 = 16

b. (x-4) 2 + (y+2) 2 = 16

c. (x-4) 2 + (y+2) 2 = 4

d. (x+4) 2 + (y-2) 2 = 4

II. Binding Forces A. Write a brief, one or two sentence, description of each binding force listed below. 1. London dispersion forces (a. k. a. van der Waals or induced dipoles) 2. Dipole-dipole forces 3. Hydrogen bonding 4.

Is A Diamond A Element

Which atom would form a cation? F Na N P

Question 25 a chemist determined by measurements that 0.020 moles of mercury participated in a chemical reaction. calculate the mass of mercury that participated in the chemical reaction. round your answer to 2 significant digits.

How many hydrogen atoms are in fructose

Why is it important for us to study outer space?

What is the correct noble gas configuration of chlorine

A flask of fixed volume contains 1.00 mole of gaseous carbon dioxide and 88.0 g of solid carbon dioxide. the original pressure and temperature in the flask is 1.00 atm and 300. k. all of the solid carbon dioxide sublimes.

Oxygen is in group 16 of the periodic table. An oxygen ion (O2-) has a charge of - 2. Which of the following would be most likely to combine with an oxygen ion to form a new compound?

How and why - Why does ice float on water