Which of the following would contain 48 electrons?

Which type of plates slide past each other in opposite directions? opposite transform subduction divergent

The net energy released or absorbed during a reversible chemical reaction is equal to (1) the activation energy of the endothermic reaction (2) the activation energy of the exothermic reaction (3) the difference between the potential energy of the

A 100.0 mL sample of 0.300 M NaOH is mixed with a 100.0 mL sample of 0.300 M HNO3 in a coffee cup calorimeter. If both solutions were initially at 35.00°C and the temperature of the resulting solution was recorded as 37.

For the following reaction, 3.70 grams of oxygen gas are mixed with excess carbon monoxide. The reaction yields 8.25 grams of carbon dioxide.

What volume would 4.3 moles of hydrogen gas occupy at 45° C and 3.22 atm?

Rutherford calculated that a gold atom is about 10,000 larger than its nucleus. Thinking about his experiment and its results, how did he come to this conclusion?

Which atom in the ground state requires the least amount of energy to remove its valence electron? (1) lithium atom (2) potassium atom (3) rubidium atom (4) sodium atom

Which of the following is the correct Lewis structure for ammonia (NH3) ? Note: Hydrogen and nitrogen have one and five valence electrons respectively.

Which statement about the electron-cloud model is true? A. It is the currently accepted atomic model. B. it can easily be replaced by existing models C. It specifies the location and momentum of an electron. D.

To the nearest gram, what is the mass of one spoonful of sugar?