Electronegativity

a. increases across a period and increases down a group.

b. decreases across a period and increases down a group.

c. increases across a period and decreases down a group.

d. decreases across a period and decreases down a group.

How is a ground wire a safety precaution

Calculate the linear acceleration of a car, the 0.270-m radius tires of which have an angular acceleration of 15.0 rad/s2. Assume no slippage and give your answer in m/s2. m/s2 (b) How many revolutions do the tires make in 2.

Water has the highest heat capacity of all solids and liquids. True or False

Which option are you choosing? (Favorite Ride, Favorite Sport or Car Safety)

A laser beam is incident on two slits with a separation of 0.215 mm, and a screen is placed 5.45 m from the slits. an interference pattern appears on the screen. if the angle from the center fringe to the first bright fringe to the side is 0.

A swimming pool has the dimensions of 10 meters, 5 meters, and 1 meter. What is the pool's volume? 50 m 50 m3 50 m2 25 m3

A child pushes horizontally on a box of mass m which moves with constant speed v across a horizontal floor. The coefficient of friction between the box and the floor is μ. At what rate does the child do work on the box?

What two qauntities must be known to calculate the density of a sample of matter

An element's atomic number is 38. How many protons would an atom of this element have?

What's are some forms of chemical energy