Which of the following electron configurations for neutral atoms is correct?

magnesium: 1s22s22p63s23p6

argon: 1s22s22p63s23p6

Which of the following is a disadvantage of a flat top range? a. contributes to injuries. b. slow to adjust to new temperatures c. not a good source of radiant heat. d. inconsistent heat.

What do all atoms and ions of sodium have in common?

Given the balanced equation: 2KClO3==> 2KCl + 3O2 Which type of reaction is represented by this equation? (1) synthesis (2) decomposition (3) single replacement (4) double replacement

A 0.225 kg sample of tin initially at 97.5°c is dropped into 0.115 kg of water. the initial temperature of the water is 10.0°c. if the specific heat capacity of tin is 230 j/kg • °c, what is the final equilibrium temperature of the tin-water mixture

Explain why samples of platinum and copper can have the same extensive properties but not the same intensive properties

14. Two or more substances that are together but do not combine to form a new, pure substance.

A solution of a compound with a known extinction coefficient of 23,100 M-1cm-1 has an absorbance of 0.735 in a 1.30cm path length, what is the concentration of the solution

Balance the following equation with the smallest whole number coefficients. Choose the answer that is the sum of the coefficients in the balanced equation. Do not forget coefficients of "one". RbOH + H3PO4 → Rb3PO4 + H2O

What is the temperature of 100 liter container having 1 mole of an ideal gas at a pressure of 20 kilopascals

5.2*10^26 molecules of ch4 in volume