If Oxygen gains 2 electrons

what charge will it have?

A neutral atom possesses an atomic number of 13 and an atomic mass of 27. three electrons are lost. from what region of the atom are they lost?

The mass of an object is

mr. Rose asked his student to draw a quadrilateral with four unequal sides. An example of this kind of quadrilateral

How many grams of calcium hydroxide Ca (OH) 2 are needed to make 532.0 mL of a 1.90M solution?

Use the following table of a school bus during morning pickups to calculate its average speed between 0 h and 2.34 h Position (km): 0.0 1.2 2.8 4.2 16.34 Time (h): 0.000 0.024 0.051 0.084 2.34

Calculate the percent composition of the compound that forms when 222.6 g N combines completely with 77.4 g 0. calculate to the nearest tenth of a percent.

How many moles of hcl will react with 450 mg of Al (OH) 3

Why are two nonpolar substances able to dissolve in each other?

Which of the following illustrates the conservation of matter? A. SnO2 + H2 - -> Sn + 2 H2O B. 2 C + O2 - -> CO2 C. KOH + HBr - -> KBr + H2O D. 6 Cs + N2 - -> 6 Cs3N I want to say B?

AIDS is caused by?