0
Look at the Periodic Table.
What else can I help you with?
What is the relationship between a empirical formula and formula unit?
The empirical formula represents the simplest whole-number ratio of atoms in a compound, while the formula unit represents the combination of ions in an ionic compound. The empirical formula is used for covalent compounds, while the formula unit is used for ionic compounds.
Is K2Cr2O7 a formula unit or molecules?
K2Cr2O7 is a formula unit because it represents the simplest whole-number ratio of ions in the compound potassium dichromate. Formula units are used for ionic compounds, while molecules are used for covalent compounds.
What is the formula unit for the ionic compound sodium iodide?
The formula unit for sodium iodide is NaI. This compound is made up of sodium cations (Na+) and iodide anions (I-), which combine in a 1:1 ratio to form a neutral compound.
What is the molecular formula of a compound if the weight is of a unit of the compound is 120 and the empirical formula is C3H4?
To find the molecular formula, you first need to calculate the empirical formula mass of C3H4. C3H4 has an empirical formula weight of 40 g/mol. If the molecular weight is 120 g/mol, then the molecular formula would be 3 times the empirical formula, so the molecular formula would be C9H12.
The actual molar ratio of elements in a compound as expressed by the subscripts in a formula is expressed in what?
The actual molar ratio of elements in a compound as expressed by the subscripts in a formula is the formula unit. It represents the simplest whole-number ratio of atoms of each element in the compound.
What represent a molecular compound?
This is the chemical formula (empirical formula) or the formula unit of this compound.
What is the Definition of formula unit?
A formula unit is the simplest whole number ratio of atoms or ions in a compound. It represents the empirical formula of an ionic compound and is used to describe the composition of the compound.
What is the correct formula unit for the ionic compound barium oxide?
the correct formula unit for the ionic compound barium oxide is BaO.
What is the chemical equation for NaCl?
Sodium chloride is a compound; a compound has a chemical formula (or a formula unit) not a chemical equation. The formula unit of sodium chloride is NaCl.
What is a compound's smallest unit usually called?
If it is a molecular compound, the smallest unit is called a molecule. If it is an ionic compound, the smallest unit is called a formula unit.
Is the overall charge of a formula unit for a compound never zero?
The overall charge of a formula unit for a compound can be zero if the compound is neutral, meaning the positive and negative charges balance out. However, if the compound is an ion or has a net charge, then the overall charge of the formula unit will not be zero.
What does the formula unit for an ionic compound show?
The formula unit for an ionic compound shows the simplest ratio of ions in the compound. It represents the combination of ions that result in a neutral compound. The subscripts in the formula unit indicate the number of each ion required to balance the charges.
What is the relationship between a empirical formula and formula unit?
The empirical formula represents the simplest whole-number ratio of atoms in a compound, while the formula unit represents the combination of ions in an ionic compound. The empirical formula is used for covalent compounds, while the formula unit is used for ionic compounds.
Is NI3 a formula unit?
A formula unit is the chemical formula for a compound that can be used in balancing a stoichiometric equation. As this is the lowest possible combination of atomic combination, it is a formula unit.
What a compound formula tells about compound'?
It tells what elements are in a compound and the number of each type of atom in each molecule/formula unit.
What is the basic unit of an ionic compound called?
The basic unit of an ionic compound is called a formula unit. It represents the simplest whole-number ratio of ions in the compound.
Is K2Cr2O7 a formula unit or molecules?
K2Cr2O7 is a formula unit because it represents the simplest whole-number ratio of ions in the compound potassium dichromate. Formula units are used for ionic compounds, while molecules are used for covalent compounds.
