What is the formula for the ionic compound formed between calcium and sulfur?

Which quantity identifies an element? 1. Atomic number 2. Mass Number 3. total number of neutrons in an atom of the element 4. total number of valence electrons in an atom of the element

Which observation is illustrates the law of conservation mass

The 3 types of heat transfer are convection, radiation, connected. A. True B. False

we know from Newton's 2nd Law of Motion that the force on an object is equal to the mass of the object times the acceleration of that object. a 9kg bowling ball was thrown with a force of 5 N.

Determine the specific heat of a 213.0 g piece of metal in J/g•°C if the temperature of the metal drops from 70.2 °C to 25.6 °C when placed in a calorimeter with 250.0 mL of water at an initial temperature of 22.5 °C (specific heat of water is 4.

Green plants take in water (H2O) and carbon dioxide (CO2) and produce glucose (C6H12O6) and oxygen gas (O2). Calculate the molar masses of carbon dioxide, glucose, and oxygen gas.

Are 3 eggs the same quantity as 3 dozen eggs?

What is an empirical formula? O A. The chemical formula that reveals how the molecule actually exists in nature O B. The chemical formula that is written in terms of percent composition O C.

What part of an original isotope's number of atoms remains after two half lives?

What gas has formed when bubels form when water is boiled?