Does not readily conduct electricity or heat and is usually a gas at room temperature.
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Reactant
The molecules that take part in a chemical reaction. What is added togetherโบ
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What is a group?
These are called families too. This is the column. This will explain how many valence electrons there are, example group 1 has 1 valence electron.
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What is a Chemical Formula?
Chemical symbols and subscripts to identify the number of atoms of each element in a molecule of a compound. (Ex: H2O โ 2 H atoms plus 1 O = 3 atoms
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Product
The molecules formed during a chemical reaction. What you get after you add โstuffโ togetherโบ
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eraser
Reset score!
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fairy
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shark
Other team loses 15 points!
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banana
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baam
Lose 20 points!
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magnet
Take 10 points!
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rocket
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baam
Lose 5 points!
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Do you think this was a chemical reaction or a physical reaction? WHY?
PHYSICAL. No โnewโ molecules were created. The CO2 was already in the bottle, the mentos collected and released the CO2.
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15
What is a period?
Rows on the periodic table, they are read left to right. The period will show you how many shells each row of elements have. Ex. Period 2 has 2 shells, Period
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15
What does the atomic number represent?
Protons OR electrons
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seesaw
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shark
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shark
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thief
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What is the difference between endothermic and exothermic reactions?