Which of the following is true regarding electrons?

A. are neutral

B. carry a negative charge

C. carry a positive charge

Describe how glacial erosion influenced the topography of Ohio.

A student placed 3.0 grams of Mg into some HCl in two different experiments. In each case, it reacted according to the following equation: Mg (s) + 2HCl (aq) → MgCl2 (aq) + H2 (g).

What does the root word "atom" mean and why is that not an accurate name

How many total atoms are there in 58.7 g of carbon dioxide

Which statement correctly describes gravity? an attractive force that acts between all objects through contact an attractive force that acts between all objects without contact a repulsive force that acts between all objects through contact a

Two components combine to create a binary ionic compound. Name one of them

True or false. The synthesis of giant molecules from components of repeating units is polymerization.

Which term names an environmental cost of fossil fuel consumption? A. cheap energy B. increased greenhouse gases C. renewable resource D. low pollution

Slowly heating butter in a pan until it changes from a solid to a liquid is an example of a physical change. True False

Action - reaction forces don't cancel each other. A. True B. False