If the caffeine concentration in a particular brand of soda is 2.87 mg/oz, drinking how many cans of soda would be lethal? assume 10.0 grams of caffeine is a lethal dose, and there are 12 oz in a can.

Which of Rutherford's (gold foil experiment) claims DID NOT support a previous model? A The atom is a dense solid ball of matter B The electron is the largest subatomic particle. C The atom is made mostly of empty space D The nucleus has a neutron.

A property of an element that does not depend on the amount of the element is called a

Matter that transmits no light is

What forms when iron-53 decays?

If an atom's mass number is 210 and its atomic number is 85, how many neutrons does it have?

The first electron configuration quantum number describes a. the energy level. b. the type of orbital (s, p, d, or f. c. the spin of each electron. d. the number of electrons in the orbital.

What is the formula for nitrogen decoxide? Is it ionic or covalent?

In the formula XSO4 the symbol X could represent the element

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 density of solid Ag is 10.5 g/cm3. How many atoms are present per cubic centimeter of Ag?