Classify each characteristics as either a metal or a non metal

Hard water + soap = ? write your answer in chemical formula

4Fe + 3O2 → 2Fe2O3 Iron combines with oxygen to form rust. Given the chemical reaction, how many grams of 4Fe + 3O2 would produce 10 g of rust? A) 7 g B) 10 g C) 30 g D) 70 g

What qualities make one theory "better" than another in the scientific community?

What is the answer to the main Idea for The cell Theory

How many moles are in 5.0 x 10 * 8 atoms of carbon

How does temperature affect molecules

The color of Benedictâs solution is blue. What color does it change to in high sugar concentration?

What functional groups of the emulsifying agent provide the hydrophilic character? Do these groups affect the pH?

Which element has atoms that can form single, double, and triplecovalent bonds with other atoms of the same element? (1) hydrogen (3) fluorine (2) oxygen (4) carbon

Which of the following statements best describes the basic structure of an atom? Electrons and protons are in motion around a nucleus that contains neutrons Neutrons are in motion around a nucleus that contains protons and electrons Protons are in