You placed an object into a graduated cylinder. The level of water went from 500 ml to 645ml. The object has a mass of 210 g. What is the density of
your object?

Explanation:

The density of a substance can be found by using the formula

From the question

mass = 210 g

volume = final volume of water - initial volume of water

volume = 645 - 500 = 145 mL

We have

We have the final answer as

Hope this helps you

може ли да зареждате повече информация, моля

each chemical family is represented as a group or column on the periodic table. based on chemical properties, there are 6 types of chemical families. group 1 represents alkali metals, group 2 represents alkaline earth metals, groups 3 to 12 represent transition metals, groups 13 to 16 represent non-metals and other metals, group 17 represents halogens and group 18 represents noble gases.