Why are alkali metals stored in kerosene or mineral oil

What ions represent an acid? What ions represent a base?

How did the planets form? Question 12 options: None of these answers are correct Large stars had gravity and brought matter together The planets were instantly created during the big bang Gravity pulled small bits of rock and dust together to form a

What requirements must a molecule meet in order to be considered nonpolar?

How many molecules of hydrogen gas are present in a 750 ml container at STP?

What happens in the artificial transmutation of an element? Include an example.

How do i give the number of significant figures in 0.0037 mm

Which of these are ionic compounds?

Which property can be defined as the ability of a substance to be hammered into thin sheets

Select the group of organelles that is common to both plant cells and animal cells. A. nucleus, cytoplasm, ribosomes, chloroplasts B. cell wall, ribosomes, cell membrane, mitochondria C. cytoplasm, mitochondria, cell wall, nucleus D.

A compound is found to have a composition of 70.4% carbon and 29.6% hydrogen, by mass. what is the empirical formula for the compound?