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.

Which of the following is the transfer of energy as heat by the movement of a liquid or gas? O conduction convection emission radiation

Vertical columns in the periodic table indicate what information? A. periods B. liquids C. synthetic elements D. groups and families

Two objects a and b have the same size and shape, but a is twice as heavy as b. when they are dropped simultaneously from a tower, they reach the ground at the same time. which has a greater momentum?

g As a proton moves in the direction the electric field lines A) it is moving from low potential to high potential and gaining electric potential energy. B) it is moving from low potential to high potential and losing electric potential energy.

What is the acceleration when the change of velocity is 2 meters in 10 seconds

The circulatory system keeps the body and its tissues continuously oxygenated. It does this by having A) veins to carry both oxygenated blood to the tissues and deoxygenated blood to the lungs.

What is the "atomic mass" of an atom?

What type of energy comes from the food that we eat?

Which of the following are vector quantities? check all that apply. a. time b. displacement c. force d. mass

Imagine you are on a bus with a helium balloon tied on a string tied to the seat in front of you. the bus stops short to avoid running over a rabbit and you are thrown forward. what happens to the balloon in relation to the bus? 1. the balloon pops.