A sample of an unknown liquid has a mass of 21.09 g, and a volume of 6.44 ML. What is the density of this liquid?

A force can exist between two charged particles or objects even if they're as small as subatomic particles. between which of these would a repulsive force exist? a. proton-proton b. electron-electron c. neutron-neutron d. a and b

What is the relationship between valence electrons and the number of bonds that can be formed?

The atom cobalt has 27 electrons. how many energy levels will its electrons use?

How many electrons do each of the elements in Group 2 of the periodic table have in their electron dot diagrams?

Which statement best describes the movement of atoms in a solid? 3832 They are able to slide past each other. They spread apart as far as possible. They have no freedom to move. They are free to move in all directions.

A change in the force of gravity on an object will affect its what

How many hydrogen atoms are in one molecule of c2h2?

Given the recipe: 2 cups flour + 1 egg + 3 oz blueberries → 4 muffins If you have 9 cups of flour, 4 eggs and plenty of blueberries, the theoretical yield of muffins is 16. A) True B) False

Where energy store at the end in a lighting candle

Which of the following does not describe a characteristic of carbon