Define it!
The building block for everything in the known universe
What is an atom?
____ K + ____ Cl2 🡪 ____ KCl
2 K + (1) Cl2 🡪 2 KCl
The amount of moles in 36 g of H2O
What is two moles?
This group has a full outer shell and is completely stable.
What are Noble Gases?
Matter can exist as a solid, liquid, or gas. This state is distinguished by its ability to maintain an ordered pattern.
What is a solid?
A negatively charged particle. The smallest thing we know about.
What is an electron?
____ N2 + ____ F2 🡪 ____ NF3
(1) N2 + 3 F2 🡪 2 NF3
The amount of moles in 6.02 x 1023 atoms of anything.
A group on the periodic table that wants one electron, is very reactive, and a gas at room temperature.
What are halogens?
The chemical formula for carbon tetrachloride
What is CCl4?
A set of things that go into a chemical reaction.
What are reactants?
____ Mg + ____ H2SO4 🡪 ____ H2 + ____ MgSO4
(1) Mg + (1) H2SO4 🡪 (1) H2 + (1) MgSO4
When you start a mole calculation problem with moles, 1 mole goes here.
What is on the bottom?
This group has 2 valence electrons, group 2 on the periodic table.
What are alkaline earth metals?
The percent composition by mass of lithium in lithium chloride (LiCl).
What is 16.4%?
A mixture that has different parts and is not the same throughout.
What is a heterogeneous mixture?
____ CH4 + ____ O2 🡪 ____ CO2 + ____ H2O
(1) CH4 + 2 O2 🡪 (1) CO2 + 2 H2O
Avogadro's number, available on your reference sheet.
What is 6.02 x 1023?
This group number is known as alkali metals.
What is group 1?
The dots in Lewis Dot Structure represent this type of negatively charged particle.
What are valence electrons?
The atomic mass of an element or compound is equal to one of these.
What is a mole?
____ AlBr3 + ____ K2SO4 🡪 ____ KBr + ____ Al2(SO4)3
2 AlBr3 + 3 K2SO4 🡪 6 KBr + (1) Al2(SO4)3
How many grams are there in 9.40 x 1025 molecules of H2?
What is 315 (314.6861507...)?
The only periodic trend that does not increase down and to the right.
What is atomic radius?
The electron configuration of Manganese.
What is 1s22s22p63s23p64s23d5?