How many atoms are in each of the following?

a) 1.0g of hydrogen atoms, each of mass 1.0u

b) 12.0g of carbon atoms, each of mass 12.0u

c) 23.0g of sodium atoms, each of mass 23.0u

Cells grouped together that have the same structure and function form a

How many electrons are present in a tin atom with a mass number of 119

Is filling up beakers with 200ml of water bad

Substances undergo chemical reactions, which keep the same properties as the original substance

Which contains the particles that are vibrating fastest? - water - copper - aluminum - dry air

Physical properties can be used to describe matter. Some properties are dependent on the amount of matter present. All BUT ONE of these physical properties changes with the amount of matter. That is A) density. B) mass. C) volume. D) weight.

Which term best describes the substances that cause oil and water molecules in salad Dressing to interact and mix? surfactants miscible liquids immiscible liquids compressed molecules

Two molecules have the same molecular geometry but different electron domain geometries. Which combination of atoms and lone pairs around the central atom could describe these molecules?

High zinc intakes can inhibit the absorption of copper true or false

Which is the theoretical reason behind the framers favoring of a bicameral congress?