What does the atomic number tell you

College Physics 1
Problem 5PE Rubbing your hands together warms them by converting work into thermal energy. If a woman rubs her hands back and forth for a total of 20 rubs, at a distance of 7.50 cm per rub, and with an average frictional force of 40.0 N, what is the temperature increase? The mass of tissues warmed

College Physics 1
Problem 53PE Some makes of older cars have 6.00-V electrical systems. (a) What is the hot resistance of a 30.0-W headlight in such a car? (b) What current flows through it?

Organic Chemistry 3
Which compound in each pair is the stronger acid? a. ClCH2COOH or FCH2COOH c. CH3COOH or O2NCH2COOH b. Cl2CHCH2OH or Cl2CHCH2CH2OH

Biology 2e by Openstax
Figure 38.19 Which of the following statements about bone tissue is false? a. Compact bone tissue is made of cylindrical osteons that are aligned such that they travel the length of the bone. b. Haversian canals contain blood vessels only. c. Haversian canals contain blood vessels and nerve fibers. d

Psychology 5
Which part of the brain is the location of the primary visual cortex, where encoded information is systematically mapped into a representation of the visual scene? a. the thalamus b. the lateral geniculate nucleus c. the fovea d. area V1

Concepts of Biology 1
What is the main difference between dispersal and vicariance? a. One leads to allopatric speciation, whereas the other leads to sympatric speciation. b. One involves the movement of the organism, whereas the other involves a change in the environment. c. One depends on a genetic mutation occurring, w

Principles of Accounting, Volume 1: Financial Accounting
Par value of a stock refers to the ________. A. issue price of a stock B. value assigned by the incorporation documents C. maximum selling price of a stock D. dividend to be paid by the corporation