The order of elements in the periodic table is based on

a. the number of protons in the nucleus.

c. the number of neutrons in the nucleus.

b. the electric charge of the nucleus.

d. atomic mass.

Wha type of current is produced by a battery

A 2.425 g sample of a new organic material is combusted in a bomb calorimeter. The temperature of the calorimeter and its contents increase from 24.91 ∘ C to 30.28 ∘ C. The heat capacity (calorimeter constant) of the calorimeter is 28.

Where are metalloids used in everyday life?

For any chemical reaction at equilibrium, the rate of the forward reaction is A. less than the rate of the reverse reaction B. greater than the rate of the reverse reaction C. equal to the rate of the reverse reaction D.

The frequency of a water wave that has a wavelength of 0.5 m and a speed of 4 m/s

What are the coefficient to balance this equation NaCl+F2=NaF+Cl2

The atomic and mass numbers for four different atoms are given below. Which two are isotopes of the same element? Atom Atomic number Mass number a 100 257 b 101 257 c 101 260 d 102 259 A.) A and B B.) B and C C.) B and D D.) C and D

As water is added to a 0.10 M NaCl aqueous solution, the conductivity of the resulting solution

Which process creates food for plants in order to maintain homeostasis? Breathing Cell division Cellular respiration Photosynthesis

What is the percentage composition of soap (C12H35COON) ?