What is the function of a measurement tray on a triple beam balance

What do high pressure systems usually cause? clear, dry weather cloudy, wet weather cold, wet weather hot and humid weather

The strong nuclear force is always smaller than the electrostatic force true or false

The fact that the 2s orbital would fill with electrons before the 2p orbital would accept electrons is an application of: the Aufbau principle Hund's rule the Pauli exclusion principle Schrödinger's equation

What are the trends and exceptions to the trends in electron affinity? Check all that apply. The electron affinities of the elements in Group 17 are larger (more negative) than the elements in Group 1.

Describe one everyday situation in which it would be useful to identify an unknown substance

A child sits on a partially filled balloon and decreases the volume by half. What happens to the pressure inside of the balloon?

Which phrases describe all the outer planets' motion? Check all that apply. no rotation fast rotation slow revolution opposite revolution north to south rotation

Rank the species (amide ion, ammonia, or ammonium ion) from the largest to the smallest H-N-HH-N-H bond angle? Rank from largest to smallest H-N-HH-N-H bond angle. To rank items as equivalent, overlap them.

What is the ratio of effusion rates of krypton and neon at the same temperature and pressure?

Balance the following equation _NaOH (aq) + _HNO3 (aq) > _NaNO3 (aq) + _H2O (1)