Which substance is made of molecules?

a. water

b. table salt

c. aluminum foil

d. pure gold necklace

How many valence electrons are there in group viia elements

What is the velocity of a car that travels 556km northwest in 3.2 hours

how is your mindset related to your ability to embrace opportunities for self-improvement and learning?

Two slits 0.200 mm apart. Light of wavelength 488 nm impinges on the slits and the interference pattern is observed on a surface 1.00 m from the slits. How far from the central axis is the fourth maxima? (9.8 mm)

Race car drivers must slow down as they make turns on the track. This is best explained by the law of inertia. Which statement best describes inertia for the car going around a turn? A) A body in motion stays in motion at the same speed.

Consider a circuit connected in parallel with three resistors, each providing a resistance of 6, 8, and 4, respectively. Using the formula for total resistance in a parallel circuit, what is the total resistance of the circuit? a. 180 b. 1/240 c.

A swing has a period of 10 seconds. What is its frequency?

You inflate a front tires on your car to 22 psi. Later, you measure your blood pressure, obtaining a reading of 127/61, the readingbeing in mm Hg.

Which substance is made of molecules? a. water b. table salt c. aluminum foil d. pure gold necklace

How does using a ramp to load boxes into a truck make work easier? A. Using the ramp increases the amount of force needed to move the boxes, but the boxes must be moved over a shorter distance. B.