Which of the following is used in pencils?

A. Graphite

B. Silicon

C. Charcoal

D. Phosphorous

Which of the following metals forms an amalgam with other metals?

A. Tin

B. Mercury

C. Lead

D. Zinc

Why can iron be broken down into atoms, but water can only be broken down to molecules?

Domestic violence would NOT occur between a woman and

How many moles of libr are contained in 347 g of water in a 0.175 m libr solution?

The concentration of a solution can be changed by BLANK solute.

The reaction of a metal with oxygen to form rust is called

What is the difference between a distraction and a reaction

if carbon which has an electrongavity of 2.5 bonds with hydrogen, which has an electrongavity of 2.1, the bond between the two atoms will be classified as a (n) covalent bond

If a chemical reaction such as photosynthesis begins with 6 atoms of carbon (C), how many atoms of carbon (C) should be in the products? A. 12 atoms of carbon (C) B. 6 atoms of carbon (C) C. 3 atoms of carbon (C) D. 2 atoms of carbon (C)

Car Q and z are put though an endurance test to see if they can travel at 120 km/h for 5.0 hours. Each car has a 45-L fuel tank. Car z must stop to refuel after traveling for 4.2 hours. Car Q, however, travels for 5.4 hours before running out of gas.

What happened to the atoms in the heated metal ball so that it didn't fit through the ring?