Moles
Convert 2 moles of oxygen gas (O₂) to grams.
What is 64 g?
The periodic table is organized by increasing this property of the elements.
What is atomic number?
true or false: The density of water is 1.0
What is true?
Student labs safety what is one thing you should always do in a lab
What is Tie your hair up/Always wash your hands before and after the lab.
This element’s symbol is Fe.
What is iron?
How many grams are in 0.75 moles of copper (Cu)?
What is 47.63 g?
This is the energy required to remove an electron from an atom.
What is ionization energy?
True or False: Density is a chemical property
What is False?
What do you do if you are in a fire during your lab
What Stop drop and roll
The process of a liquid changing into a gas.
What is evaporation?
How many moles are in 25 grams of H₂O?
What is 1.39 moles?
The ability of an atom to attract electrons in a bond is called this.
What is electronegativity?
True or False: Water is the universal solvent?
What is true?
Always unplug equipment by holding this part of the plug.
What is the plug itself (not the cord)?
This is the formula for hydrochloric acid.
What is HCl?
Calculate the molar mass of sulfuric acid (H₂SO₄).
What is 98.09 g/mol?
Elements in the same column share this property.
What are similar chemical properties or the same number of valence electrons?
True or False: electrons move at the speed of light.
What is True?
In case of an emergency, this is the first thing you should do.
What is remain calm?
This is the name of the reaction type where a compound breaks into two or more simpler substances.
What is decomposition?
What is the percentage of sulfur in H₂SO₄?
What is 32.7%?
Elements in Group 17 are known by this name.
What are halogens?
True or False: The law of conservation of mass states that mass can be created and destroyed in chemical reactions.
What is False?
During an evacuation, you should go to this area.
What is the designated meeting point?
This subatomic particle has a negative charge.
What is an electron?