Mark is telling Sally that his water is an element. Sally disagrees. Who is correct? Why?
Mark is correct because water is composed of only water atoms
Sally is correct because water is composed of only water atoms
Mark is correct because water is made up of many different atoms
Sally is correct because water is made up of many diffrent atoms
Which of the following is NOT a compound?
salt
water
carbon
sunlight
True or False. Corn is an element.
True or False. A compound is something made up of one or more elements.
A/An is made up of more than one .
Salt is an example of a/an .
is made of NaCl
Why does the chemical compound for salt (NaCl) have 2 capital letters? What do they stand for?
Capital letters represent diffrent elements
Scientist aren't good at grammars
Capital letters are not important and do not represent anything
Capital letters represent diffrent compounds
