sentences stringlengths 9 187 | label int64 0 1 |
|---|---|
solid is a kind of state of matter | 1 |
neutralization is when an acid reacts with a base | 1 |
neutralization produces water and salt | 1 |
an atom is a kind of particle | 1 |
matter is made of atoms | 1 |
electrons are a part of an atom | 1 |
a electron has a negative -1 electric charge | 1 |
the mass of the atom is determined by protons and neutrons | 1 |
the nucleus of an atom is made of protons and neutrons | 1 |
mercury is made of mercury atoms | 1 |
particles in a liquid have more kinetic energy than particles in a solid | 1 |
particles in a solid are closer together than particles in a liquid | 1 |
atom is a kind of particle | 1 |
mercury changes from liquid state to solid state | 1 |
atomic mass is determined by the sum of protons and neutrons numbers in an atom | 1 |
protons are a kind of subatomic particle | 1 |
neutrons are a kind of subatomic particle | 1 |
an atom is a kind of object | 1 |
losing / gaining electrons causes the electrical charge of an object to be unbalanced | 1 |
protons are found in the nucleus of an atom | 1 |
a proton has a positive 1 electric charge | 1 |
atoms with one or two valence electrons tend to lose those electrons | 1 |
metal atoms usually have one or two valence electrons | 1 |
an ion with positive charge is formed by atom losing electrons | 1 |
one neutron has one atomic mass unit | 1 |
the nucleus of an atom is usually made of both protons and neutrons | 1 |
nucleus is a part of an atom | 1 |
electrons surround / orbit the nucleus of an atom | 1 |
if something is part of another thing, then another thing consist of that something | 1 |
a proton has a positive 1 electric charge | 1 |
a neutron has a neutral electric charge | 1 |
an normal atom has a neutral electric charge | 1 |
an electron has a negative -1 electric charge | 1 |
an atom is made of protons / neutrons / electrons | 1 |
the nucleus is the center of an atom | 1 |
electrons are a part of an atom | 1 |
electrons orbit the nucleus of an atom | 1 |
neutrons are a kind of subatomic particle | 1 |
a neutron has a neutral electric charge | 1 |
one neutron has one atomic mass unit | 1 |
an atom is positive 1 in electric charge | 1 |
if a neutral atom loses an electron then an atom with a positive charge will be formed | 1 |
a proton has a positive 1 electric charge | 1 |
a neutron has a neutral 0 electric charge | 1 |
the nucleus of an atom is made of protons and neutrons | 1 |
the nucleus is the center of an atom | 1 |
atomic mass is determined by the number of protons and neutrons | 1 |
atomic number is only determined by the number of proton of an element | 1 |
a electron has a negative -1 electric charge | 1 |
an electron is a kind of charged particle | 1 |
electrons are a part of an atom | 1 |
electrons are involved in chemical reactions | 1 |
angstrom unit is used to measure the distance between two points | 1 |
a point is small in size | 1 |
an atom is exceptionally small in size | 1 |
atoms in a gas move independently of one another | 1 |
atoms in a gas collide frequently | 1 |
the atoms in a substance move independently of ont another and collide frequently | 1 |
adding heat to an object causes chemical reactions | 1 |
baking is when a human makes food by adding heat | 1 |
a cake is a kind of food | 1 |
placing a blanket on fire cuts off the oxygen | 1 |
a fire requires oxygen to burn | 1 |
if something is required for a process then keeping that something from reaching that process can stop that process | 1 |
the drain cleaner is added into water | 1 |
hydrogen is produced | 1 |
the solution becomes really hot | 1 |
a drain cleaner consists of sodium hydroxide and aluminum | 1 |
metals in contact with water and oxygen will rust | 1 |
iron is a kind of metal | 1 |
nails are often made of iron | 1 |
rust forming is a kind of chemical change | 1 |
chemical change is a kind of chemical reaction | 1 |
carbon dioxide is a kind of gas | 1 |
vinegar is a kind of substance | 1 |
vinegar is added into baking soda | 1 |
baking soda is a kind of substance | 1 |
baking soda can react chemically with vinegar producing carbon dioxide | 1 |
chlorine is a kind of element | 1 |
sodium and chlorine reacting forms sodium chloride | 1 |
a compound is made of two or more elements chemically combined | 1 |
sodium chloride is always made of chemically combined chlorine and sodium | 1 |
sodium is a kind of element | 1 |
chemical reactions do not cause the total number of atoms to change | 1 |
6 atoms of carbon involves in photosynthesis | 1 |
photosynthesis is a kind of chemical reaction | 1 |
carbon is a kind of atom | 1 |
chemical reactions cause new substances to form | 1 |
iron in contact with water and oxygen will rust | 1 |
chemical change is a kind of chemical reaction | 1 |
rust forming is a kind of chemical change | 1 |
zinc chloride and hydrogen gas are new substances | 1 |
chemical reactions cause new substances to form | 1 |
hydrochloric acid combing with zinc forms zinc chloride | 1 |
hydrochloric acid combing with zinc forms hydrogen gas | 1 |
chemical reactions cause chemical change | 1 |
iron in contact with water and oxygen will rust | 1 |
rust forming is a kind of chemical change | 1 |
100 grams vinegar and 5 grams baking soda are combined in a container | 1 |
the mass of the reactants of a chemical reaction equals to the products of the chemical reaction | 1 |
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