What are the characteristics of a neutron? 1. it has no charge and no mass. 2. it has no charge and a mass of 1 amu. 3. it has a charge of +1 and no mass. 4. it has a charge of +1 and a mass of 1 amu.

Harvey kept a balloon with a volume of 348 milliliters at 25.0˚c inside a freezer for a night.  when he took it out, its new volume was 322 milliliters, but its pressure was the same.  if the final temperature of the balloon is the same as the freezer’s, what is the temperature of the freezer? the temperature of the freezer is  kelvins.

What approach is required to balance the objectives of sustainable development? balancing the objectives of sustainable development requires a(n) .

Which of the following units is not an official si unit