sentences stringlengths 9 187 | label int64 0 1 |
|---|---|
gas is produced in the chemical reaction between baking soda and vinegar | 1 |
gas is trapped in the container | 1 |
100 grams plus 5 grams equals to 105 grams | 1 |
baking soda is 5 grams | 1 |
if gases are released by a chemical reaction then the total mass of the product will be less than the total mass of the reactants | 1 |
baking soda can react chemically with vinegar | 1 |
vinegar is 100 grams | 1 |
water is made of hydrogen and oxygen | 1 |
water is a kind of liquid at room temperature | 1 |
hydrogen is a kind of gas at room temperature | 1 |
liquid state is a kind of nongaseous state | 1 |
water is a kind of compound | 1 |
oxygen is a kind of gas at room temperature | 1 |
substance y and substance z cannot be broken into simpler particles | 1 |
an element cannot be decomposed into two or more different substances by simple chemical methods | 1 |
a balloon is a kind of container | 1 |
helium is a kind of element | 1 |
elements are pure substances | 1 |
a balloon filled with helium | 1 |
iron is a kind of element | 1 |
rust is made of iron and oxygen | 1 |
oxygen is a kind of element | 1 |
table salt is sodum chloride | 1 |
sodium chloride is always made of chemically combined chlorine and sodium | 1 |
water is made of hydrogen and oxygen | 1 |
the chemical formula of water is h2o | 1 |
the number in chemical formula shows the number of atoms of each element in a molecule | 1 |
the elements in the chemical reaction stays the same after the reaction | 1 |
oxygen reacts with hydrogen to produce water | 1 |
oxygen reacts with iron to produce rust | 1 |
sugar is made of carbon, hydrogen, oxygen chemically combined | 1 |
carbon is a kind of element | 1 |
a compound is made of two or more elements chemically combined | 1 |
hydrogen is a kind of element | 1 |
oxygen is a kind of element | 1 |
organic compounds mainly are made of carbon / hydrogen / oxygen / nitrogen | 1 |
hydrogen is a kind of element | 1 |
first-aid instant cold pack is a kind of cold pack | 1 |
cold pack reaction is a kind of endothermic reaction | 1 |
an atom is a kind of object | 1 |
atoms of different elements have different structures | 1 |
organizing is sorting things in order by their properties | 1 |
structure is a property of an object | 1 |
elements from the same group in the periodic table are chemically reactive in a similar way | 1 |
alkaline earth metals are highly chemically reactive | 1 |
magnesium belongs to alkaline earth metal family , group 2 on the periodic table | 1 |
chemical reactions cause new substances to form | 1 |
combining two substances chemically causes chemical reactions | 1 |
magnesium is a kind of alkaline earth metal | 1 |
fluorine is a kind of gas | 1 |
magnesium and fluorine react chemically producing magnesium fluoride | 1 |
an element cannot be decomposed into two or more different substances by simple chemical methods | 1 |
sulfur cannot be decomposed into different substances by simple chemical methods | 1 |
iron oxide / rust / fe2o3 is made of iron and oxygen | 1 |
the chemical symbol for oxygen is o | 1 |
the chemical symbol for iron is fe | 1 |
the atom is the smallest particle that has the properties of an element | 1 |
gold is a kind of element | 1 |
iron is a kind of element | 1 |
the chemical symbol for iron is fe | 1 |
elements in the same group on the periodic table of elements have similar properties | 1 |
chemical reactivity is a property of elements and includes ordered values of reactive / unreactive | 1 |
if something is made of something else , then that something else will be the component of that something | 1 |
a component of something means a part of something | 1 |
organic compounds mainly are made of carbon / hydrogen / oxygen / nitrogen | 1 |
oxygen gas is made of only oxygen element | 1 |
if a substance is made of one element , then the substance is called an element | 1 |
o2 is a chemical formula for oxygen gas | 1 |
state of matter is a property of matter and includes ordered values of solid / liquid / gas | 1 |
hydrogen is a kind of gas at room temperature | 1 |
state of matter is a kind of physical property | 1 |
the periodic table of elements can be used for predicting the properties of an element | 1 |
a periodic table is a kind of scientific model | 1 |
an element is identified by its number of protons | 1 |
gold is a kind of element | 1 |
proton is a kind of subatomic particle | 1 |
elements in the same group on the periodic table of elements have similar properties | 1 |
calcium / beryllium belongs to alkaline earth metal family , group 2 on the periodic table | 1 |
the chemical symbol for tellurium is te | 1 |
antimony is a kind of metalloid | 1 |
the chemical symbol for antimony is sb | 1 |
tellurium is a kind of metalloid | 1 |
elements from the same group in the periodic table are chemically reactive in a similar way | 1 |
elements are all from the first group of the periodic table | 1 |
oxygen is a kind of element | 1 |
if the elements have similar chemical reactivity , then the elements will react with other elements in a similar way | 1 |
if the elements have similar electron configurations , then the elements will be grouped into same family / group on the periodic table of elements | 1 |
strontium, barium, and radium have similar electrom configurations | 1 |
if the outermost electron shell of an atom is complete, then the element of those atoms will not react with other elements easily | 1 |
elements in group 18 have complete outer electron shells on the periodic table of elements | 1 |
helium / neon / argon / krypton / xenon / radon belongs to noble gases family , group 18 on the periodic table | 1 |
elements in the same group on the periodic table of elements have similar properties | 1 |
a physical property is a kind of property | 1 |
nitrogen and phosphorus belongs to nitrogen family , group 15 on the periodic table | 1 |
elements in the same group on the periodic table of elements have similar properties | 1 |
the chemical symbol for nitrogen is n | 1 |
the chemical symbol for phosphorus is p | 1 |
if the elements have similar electron configurations , then the elements will be grouped into same family / group on the periodic table of elements | 1 |
the outer electron shell is a part of the electron configuration | 1 |
elements in group 18 have full / complete outer electron shells on the periodic table of elements | 1 |
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