2.) Jaime tests the physical and chemical properties of several elements in the laboratory. He finds that two of the elements have very similar properties. What can he conclude about these elements?
A.) They have the same number of protons.
B.) They have the same number of neutrons.
C.) They are located in the same row of the periodic table.
D.) They are located in the same column of the periodic table.

What is the final velocity of the initial velocity of 25 and -50?

You are given a vector a = 125i and an unknown vector b that is perpendicular to a. the cross-product of these two vectors is a × b = 98k. what is the y-component of vector b?

For the below questions, consider a consumer that consumes two goods, x and z with the following utility function. u with bar on top space equals space x to the power of 1 third end exponent z to the power of 2 over 3 end exponent suppose initial values for income and the prices of goods x and z are y equals 90, p subscript x equals space 10, and p subscript z equals 15 respectively, then the price of good x falls to syntax error from line 1 column 89 to line 1 column 100. unexpected '\'.. what is the magnitude of the total effect