QUESTION 1
If you are watching TV, you are using
A. organic material
B. electricity
C. too much energy
D. as little energy as possible while trying to convince your parents you are actually doing school work

Which statement is true about this reaction? 14n+1h 15o it is a practical source of energy on earth. it occurs only outside the solar system. its product is heavier than each of its reactants. it shows the critical mass of an element.

What is the percent composition of ca(oh)2? 37.7% ca, 53.0% o, and 10.3% h 45.5% ca, 38.2% o, and 16.3% h 54.0% ca, 43.0% o, and 2.7% h 64.7% ca, 27.0% o, and 8.3% h

Asubstance is a good conductor of electricity which of the following best explains a probable position of the substance in a periodic table