Which element has the greatest number of valence electrons?

A. Silicon

B. chlorine

C. sodium

D. magnesium

When 2 grasshoppers sex cells join, the chromosome number in the new cell is (half/double) the number of sex cells

A chemical equation lists NaHCO3 (s) as a reactant. What does (s) indicate?

Anna Litical is doing the It's All Uphill Lab. She applies a 13.8-Newton force parallel to the inclined plane in order to pull a cart up a hill inclined at an angle of 51.6 degrees.

A cat dozes on a stationary merry-go-round, at a radius of 4.6 m from the center of the ride. then the operator turns on the ride and brings it up to its proper turning rate of one complete rotation every 5.5 s.

My older brother received a ticket for driving 80 miles per hour. This information describes my brother's

The act, process or state of the change in place or position oa a body with respect to time and relative to the observer is said to be : - 1. Rest 2. Stationary 3. Motion 4. None of the above

During a snowball fight two balls with masses of 0.4 kg and 0.6 kg, respectively, are thrown in such a manner that they meet head on and combine to form a single mass of 1 kg. the magnitude of intial velocity foreach is 15 m/s.

Which phases of matter do molecules have the lowest amount of energy?

How many Oxygen (O) atoms are in the following? H2O + CO2 4 3 2

How does surface roughness affect friction