The atomic mass of an element with this mass spectrum is...
What parts of Dalton's theory have been disproved?
Which of these would weigh about 2 tons?
At the farm there were 3 cows, 2 horses, and 5 chickens. How many legs in all?
_____ show properties of both metals & nonmetals
The _______ is the number of protons
Who first used the term "cell"?
Which scientist viewed dental scrapings and called the bacteria he viewed "animacules"?
Which one is the decimal form of the fraction 5/100?
Which one shows 5.315 rounded to the tenths place?
6x2=
2x5=
Write 6/24 in simplest form
Write 18/21 in simplest form.
5/10
25/50