What ion must be present for a compound to be considered a base?

What do you understand by eclipse?

Which molecule would you predict would be more stable: be2 - 2 or be2?

The formula weight of the compound, Al2 (SO4) 3.18H2O is: (a) 394.4 g (b) 666.4 g (c) 110,900 g (d) 466.8 g (e) 561.2 g

I. j Thompson's experiments provided evidence that an atom Is the smallest particle of matter Contains negatively charged particles Has a positive charge Has a negative charge

What substance can be broken down by chemical means? A) ammonia B) aluminum C) antimony D) argon (Castle learning question)

When a bimetallic bar made of copper and iron strips is heated, the bar bends toward the iron strip. the reason for this is?

Where does transcription happen? why is it only in this location?

True or false during decomposition nitrogen gas is changed into nitrogen compounds

Which of the following is a suggested practice to invite families to participate in decision-making and goal-setting for their child? A. Advocacy events B. Take-home backpacks C. Family/teacher conference D. Weekly newsletters

TRUE OR FALSE A stable mixture of two or more mixable substances is called an emulsion