Elements 19 and 22 are in the same period. Which will have the most in common chemically with element 72?
hafnium
potassium
sodium
titanium

The answer is titanium.

Explanation:

Titanium (element 22) shares the same group - or column - as element 72, so they will have more properties in common.

away from the curb

explanation:

the wheels would then hit the curb if it started to rolling, decreasing the chance of an accident.

question: ray weighs 100 kilograms, his wrestling partner, bobby, weighs 50 kilograms. if ray moves at 4 m s , how fast will bobby have to run at him to apply an equal amount of kinetic energy?

answer: 8 m/s he needs to run twice as fast to keep up so he has some work to do

explanation:   if the mass has units of kilograms and the velocity of meters per second, the kinetic energy has units of kilograms-meters squared per second squared.

question answered by

(jacemorris04)