What is the definition of a Lewis acid?
o a substance that accepts electrons to form a covalent bond
O a substance that donates electrons to form a covalent bond
a substance that accepts a proton
O a substance that donates a proton

As air becomes more dense, (select all that apply) o. air weighs less o. gas molecules are closer together o. air is colder o. air weighs more o. gas molecules are further apart o. air is hotter

Avariable that is not being directly tested during an experiment should be

He table below gives the atomic mass and relative abundance values for the three isotopes of element m. relative abundance (%) atomic mass (amu) 78.99 23.9850 10.00 24.9858 11.01 25.9826 what is the average atomic mass (in amu) of element m? 2.86 5.36 24.30 24.98