How much does a 5cm by 5cm by 10cm cube weigh if its density is 2 g/cm^3

Which statement about valence electrons is true? A) they are located in the outer energy level of an atom B) they are potentially involved in chemical reactions C) they determine whether an element can conduct electricity D) all of the above

What could J. J. Thomson conclude from his experiments

How does the law of conservation of mass apply this reaction mg + HCl - - H2 + mgcl2 A: equation needs to be balanced or if you were hydrogen atoms in the equation than magnesium or chlorine B: the law of conservation of mass has already been

25.4 g of salt was dissolved in distilled water to make 425 mL of solution. What is the percent m/v concentration?

What object has the mass or weight of 0

State hess's law. how is it used

When the name of a molecule ends in - ose, the molecule is a

How many moles are in. 12 grams of gold.

When lithium reacts with bromine to form the compound LiBr, each lithium atom: (1) gains one electron and becomes a negativelycharged ion (2) gains three electrons and becomes a negativelycharged ion (3) loses one electron and becomes a

Based on what you know about matter, explain why the food coloring mixes at different rates