An atom with an atomic number of 12 and a mass number of 25 can best be described by which of these

Which substance loses electrons in a chemical reaction? the one that is oxidized, which is the oxidizing agent the one that is reduced, which is the reducing agent the one that is oxidized, which is the reducing agent the one that is reduced, which

How would you rewrite the following sentence to make it true? Geologists subdivide periods into eras. For Science

a car is traveling at a speed of 55 mph the speed increased to 75 mph if the time needed to hange its speed is 4 seconds whats the acceleration?

How many electrons does potassium need to lose to become an ion? Will it become a positively charged cation or a negatively charged anion?

What mass of acetylene gas, C2H2, would be produced by complete reaction of 3.75g of calcium carbide

Which of the following statements about igneous rocks is correct A. intrusive igneous rocks are formed when magma is called above the ground. B. Extrusive igneous rocks are formed when magma is cooled above the ground C.

The compound KOH is called

A balloon contains 1.00 mol helium gas at STP. What will the volume of the balloon be if the pressure increases to 2.00 atm?

If 100 mL of a gas were enclosed in a buret at 500 mm Hg, what volume would the gas occupy at 1000 mm Hg at the same temperature? P1V1=P2V2

Would Mn (HPO4) 2 be manganese (II) monohydrogen phosphate?