Measurement & Math
Which lab tool is most accurate for measuring liquid volume?
What is a graduated cylinder?
Which group contains the noble gases?
What is Group 18?
What does it mean to balance an equation?
What is having equal numbers of atoms on both sides?
What particle has a positive charge?
What is a proton?
What reaction evidence was seen in the copper chloride and aluminum lab?
What is copper metal forming?
How many significant figures are in 0.00540?
What is 3?
Elements in the same group share similar what?
What are chemical properties?
What coefficient balances O₂ in C₂H₆ combustion?
What is 7?
What particle has no charge?
What is a neutron?
What did aluminum act as in the copper chloride lab?
What is a reactant?
What is the molarity equation?
What is M = n/V?
What type of element is helium?
What is a noble gas?
Balance: Na + Cl₂ → NaCl
What is 2Na + Cl₂ → 2NaCl?
Where are electrons located?
What is outside the nucleus in energy levels?
Why do metals glow in flame tests?
What is electrons releasing energy?
What is the molarity of 4 moles in 2 liters?
What is 2 M?
How many valence electrons does nitrogen have?
What is 5?
What type of reaction combines substances into one product?
What is a synthesis reaction?
What happens to particles when a solid melts?
What is they gain energy and move more freely?
Which liquid evaporated slower in IMF labs: acetone or corn syrup?
What is corn syrup?
Write 45,200 in scientific notation.
What is 4.52 × 10⁴?
What determines the identity of an element?
What is the number of protons?
In Zn + HCl → ZnCl₂ + H₂, what element replaces hydrogen?
What is zinc?
What state of matter has particles moving randomly and freely?
What is a gas?
Why does water have stronger intermolecular forces than many liquids?
What is hydrogen bonding?