Models are used to predict behaviors in the real world.
True
False

Determine the number o moles of ions/atoms/particle in the following: 2.50 miles of k2s (let me know how to do)

Check the correct box to describe the periodic trends in electronegativity. electronegativity across a period: decreases. increases. electronegativity down a group: decreases. increases.

Avariable that is not being directly tested during an experiment should be changed varied experimented controlled