Write the symbols for the following isotopes: Its atoms contain 50 electrons and 70 neutrons

Which of the following is a change from a more condensed to a less condensed state of matter? Freezing Melting Solidifying Condensing

What is the molecularity of an elementary step, given its rate law is as follows: rate = k[a]2[b]?

Among these processes, which is the slowest chemical reaction? A. digesting food B. boiling an egg C. tarnishing of silver D. melting of a glacier

What mass of pcl5 will be produced from the given masses of 26.0 g of p4 and 50.0 g of cl2?

Equal volumes of two equimolar solutions of reactants a and b are mixed, and the reaction a+b→c occurs. at the end of 1h, a is 90% reacted.

Which element could chlorine bond with to form an ionic compound? helium oxygen fluorine sodium

Given 4.8 moles of a gas in a 1.8 L container, if the temperature is found to be 31 degrees Celsius, what is the pressure of the gas? (The ideal gas constant is 0.0821 L · atm/mol · K and 1 atm = 760 torr.) 6.79 torr 66.55 torr 6.79 x 100 atm 6.

Write this number to two significant figures in scientific notation. Use the "^" character to indicate the exponent. 4.253

AN atoms nucleus contains it's protons and electrons true or false

What is the difference between parent geometry and actual geometry