Periodic Table
This transition metal with the symbol "Fe" is the main component of steel and is essential for blood production in humans.
What is Iron?
In a Lewis symbol, this element is represented by a single dot since it has only one valence electron.
What is Hydrogen?
In the balanced equation N2+3H2 -> 2NH3, the coefficient in front of NH3 is this number.
What is 2?
The electronic configuration of this element is 1s1.
What is Hydrogen?
This element's symbol is "Na."
What is Sodium?
In a Lewis structure, this type of bond is represented by two pairs of dots or two lines between two atoms.
What is a double bond?
This is the process of ensuring the number of atoms for each element is the same on both sides of a chemical equation.
What is balancing chemical equations?
The maximum number of electrons that can occupy a single p orbital.
What is 2 electrons?
This element, with the symbol "Hg," is the only metal that is liquid at room temperature.
What is Mercury?
The Lewis structure for this molecule consists of two hydrogen atoms and one oxygen atom, often depicted with two lone pairs on the oxygen.
What is water (H2O)?
When balancing the equation C3H8 + 5O2 -> 3CO2 + 4H2O, the coefficient in front of O2 is this number.
What is 5?
The electron configuration of this noble gas is 1s2 2s2 2p6.
What is Neon?
This property increases from left to right across a period and decreases from top to bottom within a group. It indicates an atom's ability to attract electrons.
What is Electronegativity?
This rule states that atoms tend to form bonds until they are surrounded by eight electrons in their valence shell.
What is the octet rule?
For the balanced double replacement reaction AgNO3 + NaCl -> AgCl + NaNO3, all coefficients are this number.
What is 1?
This element has the electronic configuration of [Ar] 3d10 4s2 4p5.
What is Bromine?
Found in Group 18, these elements are known for their lack of reactivity and are often used in welding.
What are Noble Gases?
The Lewis structure for this molecule consists of two nitrogen atoms connected by a triple bond.
What is nitrogen (N2)?
In the balanced equation for the reaction between iron and sulfur to form iron(III) sulfide, 2Fe + 3S -> Fe2S3, the coefficient in front of Fe is this number.
What is 2?
What is the electronic configuration of zinc.
What is [Ar] 3d10 4s2?