Which element has both metallic and nonmetallic properties?

(1) Rb (3) Si

(2) Rn (4) Sr

Consider the reversible reaction, A+B⇌C+D. If the concentration of reactant B is increased, the rate of the forward reaction would: increase decrease be unaffected

The exponents in the rate law of an elementary step are always equal to the coefficients of each species in the balanced reaction. a. True b. False

For the balanced equation shown below, how many moles of O2 will react with 0.3020 moles of CO2? 2C2H5OH + 6O2 → 4CO2 + 6H2O 0.151 moles O2 0.201 moles O2 0.302 moles O2 0.453 moles O2

Would having different atmospheric pressure have a effect on the accuracy of gas laws? and if so, which planets should be most reliable and least

What is the relationship between atomic number and atomic mass number?

Which atomic particle dtermines the chemical behaviour of an atom?

If you could travel to the Sun and back, about how far would you travel? A. 1 AU B. 2 AU C. 5 AU D. 10 AU

A scientist is conducting a descriptive experiment where she is monitoring sea level along coastal towns in California. What is a major benefit of this experiment? The relationship shows cause and effect. It is repeatable.

If the sum of the mass of the reactants is 12.5 what would be the sum of the products be? And explain how you know this

Name 5 types of alloys