An atom s mass number equals the number of

a. protons plus the number of electrons.

c. protons.

b. protons plus the number of neutrons.

d. neutrons.

Determine the mass of sodium carbonate required to produce 23.4g of sodium chloride when it reacts with excess hydrochloric acid.

What type of equation is Cu + 2AgNO3=Cu (NO3) 2 + 2Ag?

What is the oxidation number for Mn in Mn2O7? (provide sign and number)

Volume increases, pressure stays the same, temperature

Which of the following molecules is amphipathic? A) CH3CH2OH B) CH3 (CH2) 10CO2H C) CH3 (CH2) 10CH3 D) CH3CO2H

What is the distance from the highest part of one wave to the highest part of the next wave.

Calculate Delta E when 33.0 g of carbon dioxide sublimes at 77.0 K and 1 ATM

Calculate zeff for a valence electron in an oxygen atom.

Which of the following are physically properties of a penny

Complete the following statements about the functions of the digestive system. The starts an involuntary swallowing action when it senses food. The squeezes food down the digestive tract by an involuntary synchronized muscle movement called.