You calculate that your semester average in history is 97.5. When you get your report card, your average is 96. What was the percent error of your calculation?

In a metallic bond, electrons A. Are shared B. Are completely transferred between bonded atoms C. Move freely between the clouds of several atoms D. Move from a high energy level to a low energy within one atom

If you dilute 16.0 ml of the stock solution to a final volume of 0.310 l, what will be the concentration of the diluted solution

Is adding chocolate syrup to milk a chemical or physical change?

What energy sources make up the majority of the world's energy supply? O A. Solar and nuclear B. Hydropower and geothermal O c. Oil and coal O D. Geothermal and solar

Which group on the periodic table contains elements in all 3 states of matter?

What is the mass number of an ion with 107 electrons, 157 neutrons, and a 1 charge?

Which of the following is true about compounds

According to the chart, which substance has the lowest OH' concentration? A) urine lemon juice tomato juice D) black coffee

23 Which term identifies the half-reaction that occurs at the anode of an operating electrochemical cell? (1) oxidation (3) neutralization (2) reduction (4) transmutation

Which of the following is true? A) Gas atoms subjected to electricity emit bright lines of light. B) Gas atoms absorb white and emit a continuous spectrum of light. C) Gas atoms under high pressure emit dark lines against a continuous spectrum.