Which of the following is NOT a postulate in Dalton's atomic theory? I. All matter consists of divisible particles called atoms.
II. Atoms of the same element are identical in mass and properties.
III. Atoms cannot be created or destroyed.
IV. Compounds are formed by a combination of two or more different kinds of atoms.
I
II
III
IV

Select the correct answer from each drop-down menu.describe what happens to a carbon-11 atom when it undergoes positron emission.the decay of a carbon-11 atom _1_, and this causes it to emit _2_.options for 1: > changes a neutron into a proton> changes a proton into a neutron> is hit with a neutron> reconfigures its protons and neutronsoptions for 2: > a negatively charged electron-sized particle> a positively charged election-sized particle> two atoms and several neutrons> two neutrons and two protons

How many neutrons does an element have if its atomic number is 50 and its mass number is 166

If i had 2 m naoh solution, what does the 2 m stand for? 2 molar, but 2 of a solute in 1