36. Liquid and gases normally expand when heated and contract when cooled. This behavior explains the working of a a. Water pump

b. Vacuum cleaner

c. Mercury thermometer

d. Tyre- pressure gauge

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The formation of a solid, also known as a is an indication of a chemical change. precipitate particulate particle powder

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

What is the atomic number of an atom that has 6 protons